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What does "ratio" mean in math?

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Quick Answer

A ratio is the amount of one object (or one type of object) compared to another one. In math, ratios are used to compare the values of different objects.

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What does "ratio" mean in math?
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Full Answer

Ratios are written in three different ways. The first is by a colon, written as "2:1." The second way a ratio is written is to utilize the word "to" instead of using a colon, as in the phrase "2 to 1." Ratios can also be written as a fraction with a slash, as in "2/1."

A rule of ratios is to divide or multiply numbers of the same value; the units must be the same so they can be comparable.

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