54/91 as a percentage is 59.34%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
The fraction 54/91 is already in its simplest form because 54 and 91 share no common factors other than 1. It represents a little more than half of a whole, which the percentage makes easy to see at a glance.
In everyday situations, you might use this percentage to compare scores, budgets, or probabilities. For example, if you scored 54 points out of a possible 91 on a test, you earned 59.34% of the total marks.
Remember that the percentage is rounded to two decimal places, so the exact decimal might be slightly different, but 59.34% is the commonly used, tidy version.
