Final answer:
In mathematics, ratios and fractions are compared using proportions.
Step-by-step explanation:
Ratios and fractions are compared using proportions in mathematics.
A proportion is an equation that shows two equivalent ratios. It can also be written as a fraction or with a colon or the word 'to.'
For example, the ratio 1/2 is equivalent to 3/6, so we can say that 1/2 = 3/6 is a proportion.