42/66 as a percentage is 63.64%. This rounded figure gives a quick sense of how much of a whole the fraction represents without needing to work with the original numbers.
The fraction 42/66 can be reduced to its simplest form, 7/11, which still corresponds to the same percentage. Seeing it in this simpler form can help when comparing it to other fractions or ratios.
In everyday situations, a value of 63.64% might be used to describe a test score, a portion of a budget, or the success rate of a project. Knowing the percentage makes it easier to communicate the size of the fraction to a wider audience.
