13/18 as a percentage is 72.22%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 13/18 is a proper fraction, meaning the numerator is smaller than the denominator. It can be simplified no further, so it stays as 13 over 18 in its lowest terms.
Knowing that 13/18 equals 72.22% can be useful in everyday situations, such as estimating grades, calculating discounts, or comparing parts of a whole in a clear, familiar format.