What is 18/20 as a percentage? It is 90.00%.
The fraction 18/20 tells us that out of every 20 equal parts, 18 are being considered. This is a simple way to compare parts of a whole and is often used in everyday situations like grades, discounts, or statistics.
Seeing the same value as a percentage—90.00%—makes it easy to understand at a glance. Percentages are handy because they relate any quantity to a base of 100, which most people find intuitive. This conversion helps you quickly see that 18/20 represents a very high portion of the whole.