What is 42/80 as a percentage? It equals 52.50%. This means that the fraction is just a little more than half of a whole.
The fraction 42/80 can be simplified to 21/40, which still represents the same value. Whether you write it as a fraction or a percentage, the proportion stays the same.
In everyday life, you might see a result like 52.50% when looking at test scores, survey results, or the part of a budget that is spent on a particular item. It’s a handy way to understand how a part relates to the whole.