The phrase "and growing fraction of" is correct and usable in written English.
It can be used to describe an increasing portion or percentage of a particular group or category over time.
Example: "A growing fraction of the population is becoming more aware of environmental issues."
Alternatives: "an increasing share of" or "a rising proportion of".
Yet readers who know the news before morning constitute a large and growing fraction of the readership.
The religious affiliation of Hispanics is of enormous significance to those interested in the future of religion in the United States, because Hispanics make up such a large and growing fraction of the nation's population.
If economies draw the lesson that their reserves were not big enough, global imbalances will be even harder to tackle.Mr Taylor reckons the policy of accumulating reserves accounts for a significant and growing fraction of global surpluses enough (in the early years of this decade) to finance as much as a third of America's current-account deficit.
Finally, this paper focuses on disadvantaged students in particular, a large and growing fraction of the U.S. postsecondary market.
Kathmandu also has a sizable and growing fraction of electric vehicles and motorbikes on its streets--perhaps the highest percentage of any city of earth.
Though it represents a small, albeit highly visible and growing, fraction of the country's output, the qvevri renaissance has put Georgia at the forefront of winemaking fashion.
"We've continued to find a lot of variation, so while the progress has been steady and we see a growing fraction of charter schools outperforming their markets, we still see a large proportion of schools performing no differently and some performing worse".
Moreover, diabetes in the elderly is a well-recognized cause of accelerated frailty, disability, hospitalization, institutionalization, and death, thus absorbing a growing fraction of healthcare resources [ 14, 27, 28].
The invasion of Kuwait made oil, gas's big competitor, double in price, and was a reminder that a growing fraction of the nation's oil is imported, while nearly all gas comes from the United States and Canada.
The preponderance of ethnic Moroccans under surveillance in the Spanish, French and Belgium antiterror operations reflects not only the size and dispersal of Moroccan immigrants across Europe, but also the intense disaffection of a growing fraction of young, mostly unemployed Moroccans who are vulnerable to the call to radicalism.
The decline observed for the all-professors curve is due to the fact that after 50, a growing fraction of professors are less active in research or have retired and stopped publishing.
