4/15 as a percentage is 26.67%. This number tells you how much of a whole 4 parts out of 15 represent when you think in terms of 100 parts.
The fraction 4/15 is a proper fraction, meaning the numerator is smaller than the denominator. It can be useful when you need to split something into 15 equal pieces and take 4 of those pieces.
In everyday situations, you might see 26.67% used in things like discounts, test scores, or data reports. It’s a quick way to understand a part‑to‑whole relationship without dealing with fractions.