Application - Simply Ratios - 7/9/25

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10 Terms

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What is a ratio?

A comparison of two values

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Why simplify ratios?

It makes the relationship easier to see

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Example ratio problem

18 blue cars, 21 gray cars

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Step 1: What is the ratio?

18:21 (blue to gray)

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Step 2: Find the GCF of 18 and 21

GCF is 3

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Factors of 18

1, 2, 3, 6, 9, 18

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Factors of 21

1, 3, 7, 21

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Step 3: Divide both numbers by the GCF

18 ÷ 3 = 6, 21 ÷ 3 = 7

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Final simplified ratio

6:7

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