42/98 as a percentage is 42.86%. This value tells you that the fraction represents just under half of a whole. When you see this number, you can quickly compare it to other percentages without having to think about fractions.
The fraction 42/98 can be reduced to 21/49, which still represents the same part of a whole. Both forms show a little more than 40 out of 100, making the percentage a handy way to understand the size of the part.
In everyday situations, you might use 42.86% to describe things like a test score, a portion of a budget, or the amount of a recipe you need. Knowing the percentage helps you see how big or small the part is compared to the total.