33/78 as a percentage is 42.31%. This number shows how much of a whole the fraction represents when we look at it in terms of hundredths.
The fraction 33/78 can be reduced to 11/26, but the percentage stays the same. Seeing it as 42.31% helps you quickly compare it to other values that are also expressed out of 100.
In everyday situations, you might use this percentage when you need to describe parts of a group, like saying that about 42% of the students passed the test. It’s a handy way to turn a fraction into a more familiar number.