When you convert 74/91 to a percentage, you get 81.32%. This is the rounded value you would see on most calculators or in reports.
The fraction 74/91 is already in its simplest form because 74 and 91 share no common factors other than 1. It represents a little more than four‑fifths of a whole.
Seeing the percentage helps when you need to compare it with other numbers that are also expressed as percentages, such as test scores or interest rates. It tells you that the fraction is a little over eighty percent of the total.
In everyday use, you might write the fraction as a decimal (0.8132) or as the percentage 81.32% depending on what’s clearer for your audience. Both give the same idea of how large the part is compared to the whole.