42/77 as a percentage is 54.55%. This number tells you that the fraction is just over half of a whole. When you see the percentage, you can quickly compare it to other values without having to work with a fraction.
The fraction 42/77 can be reduced to 6/11, which is a common way to see how the numbers relate. Both 42 and 77 share the factor 7, so dividing each by 7 gives you the simpler form. This makes it easier to understand the size of the part compared to the whole.
Using 54.55% is handy in everyday situations, like figuring out a discount or a test score. It gives a clear picture that the amount is a little more than half, and rounding to two decimal places keeps it tidy for reports or presentations.
