Transcript Ratios

Ratios
Chapter 4
Ratios
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A ratio is a comparison between two numbers
by division.
It can be written in three different ways:
5 to 2
5:2
5
2
Equal Ratios
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When two ratios name the same number,
they are equal. It’s like writing an equivalent
fraction.
20 : 30
Equal Ratios:
10 : 15 2 : 3 80 : 120
Ratios in Simplest Form
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Ratios can be written in simplest form.
Divide both terms in the ratio by their
GCF.
Example: 12 to 8
3 to 2
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