21/28 as a percentage is 75.00%. This fraction simplifies nicely, and the percentage shows just how much of a whole it represents.
The fraction 21/28 can also be reduced to 3/4, which is a common way to think about three‑quarters of something. When you see 75 % on a chart or a graph, you’re really looking at that same three‑quarters value.
Knowing that 75.00% corresponds to 21/28 helps in everyday situations, like figuring out discounts, test scores, or parts of a recipe. It’s a quick reference you can use without having to do any extra math each time.