42/55 as a percentage is 76.36%. This number tells you how much of a whole the fraction represents when you look at it on a scale of 100. It’s a quick way to see the size of the fraction without doing any extra math.
The fraction 42/55 is already in its simplest form, meaning the numerator and denominator share no common factors other than 1. As a decimal, it is about 0.7636, which matches the percentage when you multiply by 100.
Knowing the percentage version can be handy in real‑world situations, like figuring out a test score, a discount, or a portion of a budget. It gives a clear, easy‑to‑read picture of the fraction’s value.
