The fraction 20/81 is equal to 24.69% when converted to a percentage. This means that if you had 81 items and took 20 of them, you'd have about a quarter of the total. It's a bit less than 25%, which would be exactly one-fourth.
In everyday life, you might see this percentage used in various situations. For example, if a sports team won 20 out of 81 games in a season, their win rate would be 24.69%. Or if you answered 20 questions correctly out of 81 on a test, you'd score 24.69%. While it's not a common fraction like 1/4 or 1/2, understanding 20/81 and its percentage equivalent can be useful in certain contexts.