The fraction 21/23 is equal to 91.30% when converted to a percentage and rounded to two decimal places. This means that if you had 23 equal parts of something and took 21 of those parts, you'd have about 91% of the whole. It's a pretty high percentage, showing that 21/23 is close to being a complete unit or 100%.
In everyday life, you might see percentages like this used in various situations. For example, if a student got 21 out of 23 questions correct on a test, their score would be about 91%. Or if a basketball player made 21 out of 23 free throw attempts, their free throw percentage would be around 91% as well. This fraction and its percentage equivalent represent a high level of accuracy or completion in many contexts.