34/54 as a percentage is 62.96%. This is the value you get when you compare the part (34) to the whole (54) in a way that is easy to understand on a scale of 0 to 100.
The fraction 34/54 can be simplified to 17/27, which still represents the same amount. Whether you write it as a fraction or a percentage, the size of the portion stays the same.
In everyday situations, you might use 62.96% to describe a test score, a discount, or any other ratio where you need a clear, quick picture of how big a part is compared to the whole. It’s a handy number that people can read at a glance.