The fraction 21/81 is equal to 25.93% when converted to a percentage and rounded to two decimal places. This means that 21/81 represents about a quarter of the whole, or slightly more than one-fourth. It's a bit larger than 25%, which would be exactly one-fourth.
In everyday situations, you might encounter this fraction or percentage when dealing with things like test scores, sales discounts, or statistical data. For example, if 21 out of 81 students passed a difficult exam, you could say that 25.93% of the class succeeded. Or if a store offers a 21/81 discount on an item, customers would save roughly 26% off the original price.