21/81 = ≈25.93%
Rounded to 2 decimal places.
A fraction like 21/81, or about 25.93%, could describe how often something happens, such as the share of students who choose a certain lunch option. It might also show up in a survey or a store report.
To picture it quickly, think of about one quarter of a group, since 25% is a quarter. So 21 out of 81 is just a little more than one out of every four.
One common mix-up is treating 21/81 like 21% because the top number is 21. The denominator matters too: 21/81 means 21 parts out of 81 total parts.