Proper Fraction x Proper Fraction 5-56

Multiply proper fractions by breaking one or both proper fractions into unit fractions. What's 4/5 x 2/3? Since 2/3 = 1/3 + 1/3, multiply 4/5 x (1/3 + 1/3) = 4/15 + 4/15 = 8/15. Algorithm? Multiply numerators to get the number of new parts. Multiply denominators to get the size of each part. What's 2/3 x 2/3? (2x2)/(3x3) = 4/9.

 
 

1. Learn

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Multiply proper fractions by breaking one or both proper fractions into unit fractions. What's 4/5 x 2/3? Since 2/3 = 1/3 + 1/3, multiply 4/5 x (1/3 + 1/3) = 4/15 + 4/15 = 8/15. Algorithm? Multiply numerators to get the number of new parts. Multiply denominators to get the size of each part. What's 2/3 x 2/3? (2x2)/(3x3) = 4/9.

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2. Practice

Lesson
5-56
Lesson
5-56
Lesson
5-56
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3. Apply

POD
5-56
POD
5-56
POD
5-56
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