45/79 as a percentage is 56.96%. This fraction represents a little more than half of a whole, and the rounded percentage makes it easy to understand at a glance.
The fraction 45/79 is a proper fraction, meaning the numerator (45) is smaller than the denominator (79). It can be seen in contexts where you split something into 79 equal parts and take 45 of them—like a class where 45 out of 79 students passed a test.
When you need to talk about this value quickly, using the percentage 56.96% is helpful. It shows the same proportion in a format that most people can read and compare without doing any math.