6/18 as a percentage is 33.33%. This fraction simplifies to 1/3, which means one part out of three equal parts.
When you see 6/18, think of it as dividing something into 18 equal pieces and taking 6 of them. That same portion is one‑third of the whole, and it’s often easier to understand it as a percentage.
A percentage like 33.33% tells you how many parts out of 100 you have. So, if you had 100 items, about 33 of them would represent the same portion as 6 out of 18.
Knowing both the fraction and its percent form helps you compare sizes quickly, whether you’re working with recipes, grades, or simple everyday splits.