15/48 as a percentage is 31.25%. This value tells you how much of a whole the fraction represents when you think in terms of hundredths.
The fraction 15/48 can be reduced to 5/16, which is a simpler way to see the same proportion. Whether you write it as 5/16 or 15/48, the share of the whole stays the same.
In everyday situations, a 31.25% share might appear in things like a discount on a price, a portion of a class, or the amount of a recipe you need to use. Knowing the percentage helps you compare it easily with other numbers that are already expressed out of 100.
Remember that percentages are just another way to talk about fractions, so when you see 31.25%, you can instantly think of the original fraction 15/48.
