7/21 as a percentage is 33.33%. This number shows how much of a whole the fraction represents when we talk in terms of parts per hundred.
The fraction 7/21 can be simplified to 1/3, which is a common ratio you see in many everyday situations, like dividing a pizza into three equal slices.
When you need to compare parts of a whole with other data, turning the fraction into a percentage makes it easier to understand at a glance.
So whenever you see 7/21, you can think of it as about one‑third of the total, or 33.33% of the whole.
