When you ask what 7/91 is as a percentage, the answer is 7.69%. This rounded value gives you a quick sense of how large the fraction is compared to a whole.
The fraction 7/91 can be reduced to 1/13, which shows the same size in a simpler form. Seeing it as a percentage helps when you need to compare it with other numbers that are already in percent.
In everyday situations, 7.69% might represent a small portion of a total—like a tiny discount, a minor grade increase, or a modest share of a budget. Knowing the percent makes it easy to talk about the fraction with anyone.