73/84 as a percentage is 86.90%. This fraction is a little less than a whole, and when you turn it into a percent you get a number that’s close to 87.
The fraction 73/84 can be seen in everyday situations, like scoring 73 points out of a possible 84 on a test. It tells you that you did pretty well, but not perfectly.
If you need to compare it with other scores or measurements, using the percentage makes it easier because most people understand percentages better than fractions. So whenever you see 73/84, you can think of it as 86.90% of the total.