21/23 as a percentage is 91.30%. This shows that the fraction is very close to a whole number, just a little under 100 %.
The fraction 21/23 is a proper fraction, meaning the numerator is smaller than the denominator. It represents 21 equal parts out of a total of 23 parts.
Because the percentage is high, the fraction is useful when you need a precise value that isn’t a whole number, such as in measurements or statistics.
When you see 91.30%, you can quickly understand that it’s almost the whole, but still a bit less, which is exactly what 21/23 tells you.