Ratios

1
Ratios

• Lesson 6-1

2
Ratios

• 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
3
Equal Ratios

• When two ratios name the same number, they are
  equal. Its like writing an equivalent fraction.

20 30
Equal Ratios
80 120
2 3
10 15
4
Ratios in Simplest Form

• Ratios can be written in simplest form.
• Divide both terms in the ratio by their GCF.

Example 12 to 8
3 to 2
5
Homework Time