42/63 as a percentage is 66.67%. This is the rounded value you get when you look at that fraction in terms of parts of a whole.
The fraction 42/63 can be reduced to 2/3, which means the same thing as two parts out of three equal parts. Seeing it as a percentage makes it easier to compare with other numbers that are already in percent form.
In everyday situations, 66.67% might represent a success rate, a portion of a budget, or the amount of a class that passed a test. Thinking in percentages helps people quickly understand the size of the portion.
So, whenever you need to talk about 42/63, you can simply say it’s about 66.67% of the whole.
