What is 18/54 as a percentage? It is 33.33% when rounded to two decimal places. This means that the fraction 18/54 represents about one‑third of a whole.
The fraction 18/54 can also be simplified to 1/3, which is a common way to see its size. Seeing it as a percentage makes it easier to compare with other values that are already in percent form.
Whenever you need to work with parts of a whole, using either fractions or percentages gives you a clear picture. In this case, 33.33% tells you that 18 out of 54 parts make up roughly a third of the total.