72/81 = ≈88.89%
Rounded to 2 decimal places.
A value like 72/81, or about 88.89%, could describe getting 72 questions right on an 81-question quiz. It might also show how often a bus arrives on time out of 81 trips.
To picture it quickly, think of a group of 10 things: about 9 are included in the value. That makes it just a little less than 90%.
One common point of confusion is treating 88.89% as exactly 90%. The difference is small, but it can matter when a score or measurement needs to be precise.
