84/90 as a percentage is 93.33%. This number tells you how much of a whole the fraction represents when you look at it on a scale of 0 to 100.
The fraction 84/90 can also be simplified to 14/15, which still gives the same percentage. Seeing it as a percentage makes it easier to compare with other values that are already expressed in percent form.
In everyday situations, a result of 93.33% means you are very close to a perfect score. It’s a useful way to show performance, success rates, or any measurement where you want to see how near you are to the maximum possible.