21/29 as a percentage is 72.41%. This number tells you how much of a whole 21 parts out of 29 represent when you look at it on a scale of 100.
The fraction 21/29 is a proper fraction because the top number (numerator) is smaller than the bottom number (denominator). It can be used to compare parts of a set, like 21 students out of a class of 29 who passed a test.
Seeing the percentage 72.41% makes it easy to understand the size of the fraction in everyday terms. It shows that a little more than seven‑tens of a hundred parts are covered, which is useful for quick estimates and decisions.