55 divided by 91 is equal to 60.44% when expressed as a percentage. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 55/91 shows that 55 parts out of a total of 91 are being considered. Thinking of it as a percent makes it easier to compare with other numbers that are already in percent form.
When you see 60.44% you know that the part is a little more than half of the whole. It’s a handy way to understand the size of the fraction without having to work with the numbers directly.