The fraction 21/80 is equal to 26.25% when converted to a percentage. This percentage represents the portion of 80 that 21 makes up. It's a way to express the fraction as parts per hundred, which can be easier to understand in some contexts.
When we think about 21/80 as a percentage, it means that if we had 80 items, 21 of them would make up 26.25% of the total. This could be useful in various real-world situations, like calculating discounts, understanding test scores, or measuring progress towards a goal. The percentage form can help us quickly compare this fraction to other values or benchmarks.