The fraction 21/81 is equal to 25.93% when converted to a percentage and rounded to two decimal places. This means that if you had 81 items and took 21 of them, you'd have about a quarter of the total. It's a bit more than 25%, but not quite 26%.
In everyday situations, you might come across this fraction or percentage when dealing with things like test scores, sales discounts, or statistics. For example, if a store was selling 81 products and 21 of them were on sale, you could say that 25.93% of their inventory was discounted. While it's not a common fraction like 1/4 or 1/2, knowing its percentage equivalent can be helpful in various real-world scenarios.