The fraction 6/18 is equal to 33.33% when expressed as a percentage. This shows that six parts out of eighteen total parts represent roughly one‑third of the whole.
If you simplify 6/18, you get the simpler fraction 1/3. Both the fraction and its percentage tell you the same thing: about one out of every three equal parts.
Knowing the percentage makes it easy to compare numbers in everyday situations, like seeing that 33.33% of a pizza is three slices out of nine, or that a test score of 33.33% means you got one‑third of the points right.