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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
two fifth of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'two fifth of' is not correct.
In English, it should be written as 'two fifths of'. Example: Two fifths of the pie was eaten at the party.
⚠ May contain grammatical issues
Science
Alternative expressions(2)
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
3 human-written examples
About two fifth of respondents did regular exercise.
Two fifth of them (40.3%) reported less than 15 minutes one-way travel time to work.
Science
Likelihood to quit within the next 1 3 years was investigated among providers at PHC centers; close to two fifth of the respondents (39.4%) indicated likelihood to quit their jobs (likely or very likely) and an additional 13.4% were not sure about staying or quitting (Table 2).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
But two thirds of what?
News & Media
Two thirds of a pint, £3.75.
News & Media
Two thirds of released prisoners will reoffend.
News & Media
Two thirds of the stillbirths are in just ten countries.
News & Media
employees, or two thirds of international staff.
News & Media
The under-11s account for two thirds of the sample and therefore two thirds of the cases of child labour.
Two thirds of the events are sports related.
Two thirds of the clients (44/66) were treated with compression.
Science
Expert writing Tips
Best practice
Always use the correct plural form "fifths" when expressing fractions. "Two fifths of" is grammatically accurate and widely accepted.
Common error
Avoid using the singular form "fifth" when referring to a fraction greater than one fifth. Always use the plural "fifths" to maintain grammatical correctness.
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "two fifth of" is intended to function as a quantifier, specifying a proportion of something. However, Ludwig AI indicates this phrase is grammatically incorrect, and the correct form is "two fifths of" to properly express the fractional quantity.
Frequent in
Science
67%
News & Media
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "two fifth of" is grammatically incorrect. The correct phrasing is "two fifths of", as confirmed by Ludwig AI. This corrected form serves to quantify a portion, specifically 40%, and is most frequently encountered in scientific and news contexts. When writing, ensure you include the 's' to maintain grammatical accuracy. Consider using alternative phrases like "40 percent of" or "almost half of" for simplicity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
two fifths of
Adds the necessary 's' to 'fifth' to indicate a fraction, correcting the grammar.
40 percent of
Replaces the fraction with its percentage equivalent, offering a more common expression of proportion.
a 40% portion of
Uses 'portion' to refer to a part of a whole and replaces the fraction with its percentage equivalent.
0.4 of
Expresses the fraction as a decimal, providing a precise numerical representation.
two out of five parts of
Breaks down the fraction into its components, clarifying the ratio involved.
a little less than half of
Provides an approximate, less precise but more conversational way to describe the quantity.
slightly under the midpoint of
Emphasizes that the fraction is just below half, highlighting its relative position.
approximately 35 to 45 percent of
Gives a broader range around 40%, acknowledging potential slight variations or estimations.
almost half of
Uses 'almost half' for an approximation instead of the precise numerical fraction.
a substantial minority of
Describes the quantity as a notable but not majority portion, focusing on its significance.
FAQs
How do I properly use the phrase "two fifths of" in a sentence?
The correct phrase is "two fifths of", with the 's' included. For example, "Two fifths of the students passed the exam".
Is it grammatically correct to say "two fifth of"?
No, it is not grammatically correct. The correct form is "two fifths of". The plural "fifths" is required when the numerator is greater than one.
What's the difference between "two fifth of" and "two fifths of"?
"Two fifth of" is grammatically incorrect, while "two fifths of" is the correct form. The 's' on "fifths" indicates a plural fraction greater than one fifth.
What can I say instead of "two fifths of" if I want to use simpler language?
You can use alternatives like "40 percent of" or "almost half of", depending on the level of precision required.
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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
2.8/5
Expert rating
Real-world application tested