15/69 as a percentage is 21.74%. This number shows how much of a whole the fraction represents when you look at it in terms of hundredths. It’s a quick way to compare the part to a full set.
The fraction 15/69 can be reduced to 5/23, which still keeps the same value. Whether you write it as 15/69, 5/23, or 21.74%, the meaning stays the same: a little more than one‑fifth of the whole.
In everyday situations, using the percentage makes it easier to understand sizes, like a test score or a portion of a budget. Saying something is 21.74% is clearer for most people than a complex fraction.