15/80 as a percentage is 18.75%. This number tells you how much of a whole the fraction represents when you think in terms of parts per hundred. It’s a quick way to see the size of the fraction at a glance.
The fraction 15/80 can be reduced to 3/16, which is a simpler way to understand its value. Both forms point to the same portion of a whole, just expressed differently. Knowing the percentage helps when you compare it with other numbers that are already in percent form.
In everyday situations, you might see 18.75% on a price tag, a test score, or a data chart. Recognizing that this percentage comes from 15 out of 80 parts can make it easier to estimate and work with similar figures without doing the math each time.