54/98 as a percentage is 55.10%. This number tells you that the fraction is a little more than one‑half when you look at it on a scale of 100.
The fraction 54/98 can be reduced to 27/49, which still represents the same part of a whole. Whether you write it as a fraction or a percentage, it shows the same proportion.
In everyday situations, using the percentage makes it easier to compare sizes. For example, if you scored 54 out of 98 points on a test, you earned 55.10% of the possible points.
Remember that both forms—fraction and percentage—are just different ways to describe the same amount, so you can choose the one that best fits the context.