5/28 as a percentage is 17.86%. This fraction represents a small part of a whole, just under one‑fifth. When you see the number 5 out of 28, you can think of it as a tiny slice of something larger.
The fraction 5/28 can be simplified only as it is, because 5 and 28 share no common factors except 1. It’s useful when comparing parts of a group, like 5 students out of a class of 28.
Knowing the percentage 17.86% helps you quickly understand the size of that part in everyday terms. It’s a handy way to talk about the fraction without using a division sign.