18/90 as a percentage is 20.00%. This simple figure tells you that the fraction represents one‑fifth of a whole, and it’s rounded to two decimal places for clarity.
The fraction 18/90 can be reduced to 1/5, which is a common way to see that it equals one‑fifth. In everyday terms, one‑fifth of anything is the same as twenty percent, so the fraction and the percentage describe the same portion.
Knowing that 18/90 is 20.00% can help when you compare parts of a whole, such as grading scales, discounts, or statistical data. It’s a quick way to understand that the portion is exactly one‑fifth of the total.
