The fraction 21/84 is equal to 25.00% when converted to a percentage and rounded to the nearest two decimal places. This means that 21 out of 84 parts represents one-quarter or 25% of the whole. It's a common fraction that pops up in various real-world situations, from test scores to financial calculations.
Understanding percentages like this can be helpful in everyday life. For example, if you're looking at a survey where 21 out of 84 people prefer a certain option, you can quickly realize that it's about 25% of the group. This fraction and its percentage equivalent are useful for comparing parts to wholes and making quick estimates in your head.