28/49 as a percentage is 57.14%. This value tells you how much of a whole the fraction represents when you look at it on a scale of 100.
The fraction 28/49 can be reduced to 4/7, which still points to the same portion of a whole. Whether you keep it as 28/49 or simplify it, the percentage stays at 57.14%. This makes it easy to compare with other numbers that are already in percent form.
In everyday situations, you might see this percentage when working with scores, discounts, or statistics. Knowing that 28 out of 49 items is about 57.14% helps you quickly gauge whether something is just over half or significantly more than half.