The fraction 18/21 is equal to 85.71% when converted to a percentage. This percentage is rounded to the nearest two decimal places. The fraction represents a little more than four-fifths of a whole, which is why it's so close to 90%.
In everyday situations, you might come across this fraction or percentage when dealing with things like test scores, sales discounts, or progress tracking. For example, if you completed 18 out of 21 tasks on your to-do list, you'd have finished about 85.71% of your work. It's a pretty high percentage, showing that you're close to completing everything on your list.
