The fraction 21/75 works out to 28.00% when you write it as a percentage. This rounded figure shows how much of a whole the fraction represents.
In everyday terms, 21 out of 75 parts is just a little more than a quarter of the total. You can think of it as 28 out of every 100 units, which makes it easy to compare with other percentages.
Knowing the percentage helps when you need to estimate sizes, costs, or scores. It’s a quick way to see that 21/75 is close to one‑fourth of any whole you’re working with.