Ratio

noun · Mathematics

Definition

A comparison of two quantities showing how many times one contains the other.

Explanation

Ratios can be simplified like fractions. A ratio of 2:3 means 2 parts to every 3 parts.

Example

Mixing 2 parts paint to 3 parts water gives a ratio of 2:3.

Common confusion

A ratio compares parts with parts; a fraction compares a part with the whole.

Related terms

Study guides that use this term

Entry status: written by the editorial team and awaiting independent review. Spot an error? Use our corrections page.

← All vocabulary