What is 21/87 as a percentage? It is 24.14%.
The fraction 21/87 can be simplified to 7/29, which still represents the same portion of a whole. Whether you write it as a fraction or a percentage, it tells you the same amount in two different ways.
Seeing the value as 24.14% makes it easy to compare with other percentages, such as grades or discounts. It shows that the part is a little less than one quarter of the total.
In everyday use, you might meet this number when looking at survey results, test scores, or any situation where a small part of a larger set is being described. Knowing both forms helps you understand and communicate the information clearly.