Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
fraction of total amount
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fraction of total amount" is correct and usable in written English.
It can be used when discussing a portion or segment of a larger quantity, often in mathematical or financial contexts. Example: "The fraction of total amount allocated for marketing expenses this quarter is 20%."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
The percent of P-TEFb in large complex (low salt or CE) was calculated as a fraction of total amount of P-TEFb (both in CE and NE).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
To determine glutamate-stimulated release relative to baseline, release of radioactivity was calculated as a fraction of the total amount of radioactivity present in the slices at the time of release of that 5-min fraction, and baseline fractional release was subtracted from the stimulation fractional release, to obtain glutamate-stimulated release of radioactivity.
The grant to Obria, which includes $1.7 million in the first year and the prospect of that amount in each of the next two years, represents a fraction of the total amount of family planning money awarded by the department on Friday.
News & Media
So far the majority have used the Roche 454 GS platform (currently 200-400 bp/read, 2-4 × 108 bp/run) which has the advantage of longer reads, but produces a fraction of the total amount of sequence produced per instrument per run compared with the Illumina GAII platform (currently 38-100 bp/read, 10-20 × 109 bp/run) (but see [ 15- 17]).
Science
Because the misfolded NTS1 species is unsuitable for biochemical work but constitutes a substantial fraction of the total amount of NTS1, we investigated the origin of the misfolded receptors to potentially take measures against NTS1 aggregation and to maximize the yield of functional NTS1.
Science
One possible explanation is that our extraction method has a higher sensitivity to detect low levels of virus as we use a larger fraction of the total amount of available sample than other protocols [ 14].
Science
Regions of uptake were quantified and expressed as a fraction of the total amount of the applied radioiodine.
Science
The lack of change of Mrp2 content in mixed plasma membranes in response to ANIT may be tentatively explained by the fact that intracellular accumulation of Mrp2 in enriched microsomal membranes represents a small fraction of the total amount of transporter in the cell according to previous report [ 20].
Biomedical research facilities contribute a small fraction of the total amount of wastes generated in the United States, and the rate of generation appears to be decreasing.
These observations suggest that the slip-weakening distance is a fraction of the total amount of slip, i.e., Dc″ is about 30 50% of the measured total slip.
Science
This species amounted to only a small fraction of the total amount of aggregating peptide.
Science
Expert writing Tips
Best practice
When writing about proportions, ensure clarity by specifying the units of measurement and providing context for the "total amount". For example, "The fraction of total amount allocated for marketing expenses this quarter is 20%."
Common error
Avoid using "fraction of total amount" without specifying the actual values or units involved. Instead of saying "a fraction of the total amount was used", specify "25% of the total amount of water was used."
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fraction of total amount" serves as a quantifying expression, indicating a proportional part of a whole. Ludwig AI confirms its correct usage in various contexts. Examples show it describing portions of money, radioactivity, organic matter, and more.
Frequent in
Science
60%
News & Media
30%
Encyclopedias
10%
Less common in
Academia
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "fraction of total amount" is a grammatically sound and frequently used phrase for expressing proportions. Ludwig AI confirms its versatility across various fields. While suitable for neutral and formal contexts, ensuring specificity and avoiding vague quantification strengthens its impact. The phrase commonly appears in scientific, news media, and encyclopedia sources. Remember that related phrases such as "portion of overall quantity" or "percentage of total sum" can offer nuanced alternatives depending on the desired emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
portion of overall quantity
Replaces "fraction" with "portion" and "total amount" with "overall quantity", offering a more general alternative.
percentage of total sum
Uses "percentage" to specify the type of fraction and replaces "amount" with "sum", focusing on numerical representation.
segment of entire quantity
Substitutes "fraction" with "segment" and "total amount" with "entire quantity", implying a distinct part of the whole.
share of aggregate sum
Replaces "fraction" with "share" and "total amount" with "aggregate sum", indicating a proportional part of a combined total.
ratio of total volume
Focuses specifically on volume as the quantity being considered and uses 'ratio' instead of 'fraction'.
proportion of complete measure
Uses "proportion" as a synonym for "fraction" and "complete measure" for "total amount", emphasizing the relative size within a full measure.
division of overall quantity
Uses "division" to highlight the mathematical operation involved and "overall quantity" to specify the scope.
element of total inventory
Replaces 'fraction' with 'element' suggesting one of the items that compose the whole "total inventory".
component of total mass
Focuses on 'mass' as the specific kind of quantity, changing the context to physical sciences.
constituent of aggregate volume
Replaces 'fraction' with 'constituent' emphasizing that the fraction is a component which makes up the "aggregate volume".
FAQs
How can I use "fraction of total amount" in a sentence?
You can use "fraction of total amount" when you want to refer to a part of something compared to its whole. For example, "The grant represents a "fraction of the total amount" of family planning money awarded."
What are some alternatives to "fraction of total amount"?
Alternatives include "portion of overall quantity", "percentage of total sum", or "segment of entire quantity". The best choice depends on the specific context and the level of formality required.
Is it better to use "percentage of total amount" or "fraction of total amount"?
Both phrases are grammatically correct. "Percentage of total amount" is more specific, implying a calculation out of 100, while "fraction of total amount" is more general and can refer to any proportional part.
What does "fraction of total amount" mean?
The phrase "fraction of total amount" refers to a portion or part of a whole quantity. It indicates how much of something is being considered in relation to its entirety.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested