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Multiplying/Dividing Fractions
Mrs. Matej
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Multiplying Fractions – 5 Steps
Step 1. Change all mixed fractions to an improper fraction. 1 9 3 2 3 8 3 x = 10 8 x = 25 10 25 3 8
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Multiplying Fractions – 5 Steps
Step 2. Cross-Reduce if possible. 10 25 3 8 5 25 3 4
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Multiplying Fractions – 5 Steps
Step 3. Multiply Top x Top 5 25 125 = 3 4
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Multiplying Fractions – 5 Steps
Step 4. Multiply Bottom x Bottom 5 25 125 = 3 4 12
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Multiplying Fractions – 5 Steps
25 125 Step 5. SIMPLIFY = 3 4 12 10 12 125 120 5 5 ANSWER 10 12
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Dividing Fractions-6 Steps
Step 1. Change all mixed fractions to an improper fraction. 1 9 3 ÷ 2 3 8 3 x = 10 8 x = 25 10 25 ÷ 3 8
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Dividing Fractions-6 Steps
Step 2. Change the division sign to multiplication and flip the second fraction. 10 25 ÷ 3 8 10 8 x 3 25
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Dividing Fractions-6 Steps
2 10 8 Step 2. Cross-Reduce if possible. x 3 25 5 2 8 x 3 5
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Dividing Fractions-6 Steps
2 8 16 Step 3. Multiply Top x Top x = 3 5
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Dividing Fractions-6 Steps
Step 4. Multiply Bottom x Bottom 2 8 16 x = 3 5 15
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Dividing Fractions-6 Steps
2 8 16 x Step 5. SIMPLIFY = 3 5 15 1 15 16 15 1 1 1 ANSWER 15
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