If you wonder what 18⁄52 is as a percentage, the answer is 34.62%. This tells you that the fraction represents a little more than one‑third of a whole.
The fraction 18⁄52 can be reduced to 9⁄26, which is still the same part of a whole. Whether you write it as a fraction or a percentage, it describes the same proportion in different ways.
Knowing the percentage is handy when you need to compare parts of a whole in everyday situations, like figuring out a discount, a test score, or a share of a group. It makes the size of the part easier to understand at a glance.