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**ratio**is a way to show a relationship between two numbers.Ratios can be used to compare things of the same type.

For example, we may use a ratio to compare the number of dogs to the number of cats in a particular area.

**Steps for writing a Ratio**

Identify the Relationship

Write the two quantities in

Fraction Form

Simplify the Fraction

If you care to you can rewrite the ratio in other forms.

**Three forms of Ratios**

Fraction a/b

Colon a : b

Using to a to b

9 red boxes to 3 blue boxes

Written as,

Red Boxes / Blue Boxes

9/3

9:3

to 3

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