15/69 as a percentage is 21.74%. This number tells you how much of a whole the fraction represents when you look at it in terms of hundredths. It’s a quick way to see the size of the fraction at a glance.
The fraction 15/69 can be reduced to its simplest form, 5/23, which still represents the same part of a whole. Both forms show the same relationship, just expressed with different numbers.
In everyday situations, you might use the 21.74% figure to compare portions, such as seeing what share of a budget or a class is taken up by a certain group. It makes the information easy to understand without dealing with complex fractions.