The fraction 42/99 expressed as a percentage is 42.42%. This value comes from converting the fraction directly into a percent and rounding to two decimal places.
When you think of 42/99, imagine dividing 42 parts out of a total of 99. That proportion is a little less than half, which is why the percentage lands in the low‑40s. It’s a useful way to see how much of a whole the fraction represents.
In everyday situations, you might use this percentage when comparing parts of a group, such as 42 students out of 99 in a class who passed a test. Saying 42.42% passed gives a clear, quick picture of the result.