The fraction 21/75 is equal to 28.00% when converted to a percentage and rounded to the nearest two decimal places. This percentage represents how much of a whole the fraction represents. In other words, if you had 75 items and took 21 of them, you'd have 28% of the total.
To put this in perspective, 28% is a little over a quarter of something. It's more than 25% but less than 30%. This could be useful in various real-world situations, like understanding test scores, sales discounts, or even cooking measurements. For example, if a recipe calls for 28% of a cup of sugar, you'd know it's asking for slightly more than a quarter cup.