42/88 as a percentage is 47.73%. This value tells you how much of a whole the fraction represents when you look at it in terms of hundredths. It’s a handy way to compare the fraction to other numbers that are already expressed as percentages.
The fraction 42/88 can be reduced to 21/44, which shows the same relationship in simpler terms. Whether you use 42/88 or 21/44, the percentage stays the same because they are equivalent.
Knowing the percentage makes it easy to understand the size of the fraction in everyday situations, like grading, statistics, or budgeting, where percentages are the common language.