42/68 as a percentage is 61.76%. This value tells you how much of a whole the fraction represents when expressed in a more familiar format.
The fraction 42/68 can be reduced to 21/34, but the percentage stays the same. Seeing it as a percent makes it easier to compare with other numbers, like grades or test scores.
In everyday situations, you might use this percentage to understand parts of a budget, a portion of a class, or any scenario where you need to know how much of something is taken up. It’s a quick way to see that the portion is a little more than half of the whole.