13/21 as a percentage is 61.90%. This number shows how much of a whole the fraction represents when you look at it on a scale of 100.
The fraction 13/21 can be thought of as 13 parts out of a total of 21 equal parts. It’s a common way to split something into pieces, like sharing a pizza or dividing a class into groups.
When we write the result as a percentage, we round it to two decimal places, giving 61.90%. This rounded figure is useful for quick comparisons, budgeting, or any situation where a simple, easy‑to‑read number is needed.