Then/Now You have already learned operations with fractions. Write ratios as fractions in simplest form. Simplify ratios involving measurements.

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Presentation transcript:

Then/Now You have already learned operations with fractions. Write ratios as fractions in simplest form. Simplify ratios involving measurements.

Vocabulary ratio

Concept

Example 1 Write Ratios in Simplest Form Express the ratio 10 roses out of 12 flowers as a fraction in simplest form. Explain its meaning. Divide the numerator and denominator by the GCF, 2. ÷2 The ratio of roses to flowers is 5 to 6.

A.A B.B C.C D.D Example 1 Express the ratio 8 golden retrievers out of 12 dogs as a fraction in simplest form. A. B. C. D.

Example 2 Write Ratios As Fractions SHOPPING A store found that 25 out of 35 people shopping there were women. Express this ratio as a fraction in simplest form. Explain its meaning. ÷5 Divide the numerator and the denominator by the GCF, 5.

A.A B.B C.C D.D Example 2 Twelve out of 18 joggers are male. Write this ratio as a fraction in simplest form. A. B. C. D.

Example 3 Write Ratios As Fractions Express the ratio 21 inches to 2 yards as a fraction in simplest form. Convert 2 yards to inches. Divide the numerator and denominator by the GCF, 3. Written in simplest form, the ratio is 7 to 24.

A.A B.B C.C D.D Example 3 Express the ratio 4 feet to 18 inches as a fraction in simplest form. A. B. C. D.