Write each fraction in simplest form. 1/3 4/12 18/27 14/63 3/48 2/3 2/9 1/16

Ratios

5 2 Words: 5 to 2 Symbols 5 : 2 Fraction What is a Ratio? Comparing two numbers by division. It can be written in three different ways: Words: 5 to 2 Symbols 5 : 2 Fraction 5 2

Chex Mix Recipe (makes 7 cups) - 4 cups cereal, 2 cups pretzels, 1 cup M&M’s Statement Words Symbols Fractions Cereal to pretzels 4 to 2 4:2 4/2 Cereal to Chex Mix 4:7 Pretzels to cereal 2 to 4 M&M’s to pretzels 4 to 7 4/7 2:4 2/4 1 to 2 1:2 1/2

Ex 1: 20 : 30 80 : 120 10 : 15 2 : 3 What are Equal Ratios? When two ratios name the same number, they are equal. (Like an equivalent fraction.) Ex 1: 20 : 30 Equal Ratios: 80 : 120 10 : 15 2 : 3

Ex 2: 10 : 35 Equal Ratios: 2 : 7 20 : 70 30 : 105

How can Ratios be written in Simplest Form? Divide both terms in the ratio by their GCF. Example 3: 12 to 8 3 to 2

Write each ratio in simplest form: Ex 4: 4:20 Ex 5: 12:3 1:5 4:1

Write each ratio in simplest form: Ex 6: 10:1 THIS IS THE SIMPLEST FORM!

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