21/63 as a percentage is 33.33%. This rounded value shows how much of a whole the fraction represents when expressed in percent form.
The fraction 21/63 can be simplified to 1/3, which is a common ratio you’ll see in many everyday situations, like cutting a pizza into three equal slices.
Understanding that 33.33% means roughly one‑third of a quantity helps you compare parts of a whole quickly, whether you’re looking at grades, discounts, or data charts.
In short, whenever you see 21/63, you can think of it as about a third, or 33.33%, of whatever you’re measuring.
