15/36 as a percentage is 41.67%. 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 compare the fraction to other values that are also expressed as percentages.
The fraction 15/36 can be reduced to 5/12, which is still a proper fraction—meaning it is less than one whole. Whether you write it as 15/36, 5/12, or 41.67%, it all points to the same portion of a whole.
Percentages like 41.67% are useful in everyday situations such as grading, budgeting, or figuring out discounts. Knowing the percentage version of a fraction helps you see the size of the part in a format that many people find easy to understand.