15/90 as a percentage is 16.67%. This fraction represents a part of a whole, where 15 is the numerator and 90 is the denominator. When we convert fractions to percentages, we get a clearer picture of how much of the total we're dealing with.
In everyday life, you might come across this percentage in various situations. For example, if you scored 15 out of 90 on a test, you'd have achieved 16.67% of the total possible score. Or, if you completed 15 out of 90 tasks on your to-do list, you'd have finished 16.67% of your work. Understanding percentages helps us quickly grasp the relative size or amount of something in relation to the whole.