The fraction 21/72 is equal to 29.17% when converted to a percentage and rounded to two decimal places. This means that if you had 72 items and selected 21 of them, you'd be choosing about 29% of the total. It's a bit less than one-third, which would be 33.33%.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 21 out of 72 students in a school passed a certain test, you could say that 29.17% of the students were successful. Or if a store sold 21 items out of a shipment of 72, they could report that 29.17% of their inventory was purchased. This fraction and its percentage equivalent can be useful for quick comparisons or understanding parts of a whole.