37/91 as a percentage is 40.66%. This number tells you how much of a whole 37 parts out of 91 represent when you look at it on a 100‑point scale. It’s a quick way to see the size of the fraction without doing long division each time.
The fraction 37/91 can be reduced by looking for common factors, but 37 is a prime number and does not share any divisor with 91 besides 1. That means the fraction is already in its simplest form. It sits a little under half, which matches the percentage we just mentioned.
When you need to compare this fraction to other numbers, using the percentage makes it easier. For example, if a class of 91 students has 37 who passed a test, you can say about 40.66% passed. This gives a clear, immediate picture for anyone reading the result.
