21/48 as a percentage is 43.75%. This number tells you how much of a whole the fraction represents when you look at it on a scale of 100.
The fraction 21/48 can be reduced by dividing both numbers by their greatest common divisor, which is 3. That gives the simpler form 7/16. Even in its reduced form, it still equals the same percentage, 43.75%.
When you see 43.75% on a chart or a report, you know it’s the same as saying 21 parts out of 48 total parts. It’s a handy way to compare the fraction to other percentages without doing any more math.
In everyday language, saying something is 43.75% of a whole is often clearer than using the fraction 21/48. It lets people quickly understand the proportion in terms they see often, like scores, discounts, or statistics.