18/20 expressed as a percentage is 90.00%. This means the fraction is equal to ninety percent when turned into a percent value.
The fraction 18/20 can also be simplified to 9/10, which is a common way to see the same value in lower terms. Both forms show the same proportion of a whole.
When you think of 90.00%, imagine nine out of ten parts being present. It’s a handy way to compare quantities in everyday situations, like scoring 9 out of 10 on a test.
Overall, whether you use the fraction 18/20, the simplified 9/10, or the percentage 90.00%, they all describe the same amount.