21/22 as a percentage is 95.45%. This number tells you that the fraction is almost a whole, just a little bit less than 100 percent.
The fraction 21/22 means you have 21 equal parts out of a total of 22. Because the two numbers are so close, the value is very high—almost the same as a full unit.
In everyday life you might see something like this when a test score is 21 correct answers out of 22 questions. Saying you got 95.45% makes it easy for others to understand how well you did.
Remember, when you need to compare a part to a whole, turning the fraction into a percentage like 95.45% gives a quick and clear picture.