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Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
1. Multiplying Fractions
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Exercise 12 Page 48

Rewrite the expression so that all of the numbers are fractions.

12

Practice makes perfect
Before we evaluate the expression, let's first rewrite the expression so that all of the numbers are fractions.
5 57* 2 110
MixedToFrac

a bc=a* c+b/c

5*7+5/7* 2*10+1/10
Multiply

Multiply

35+5/7* 20+1/10
AddTerms

Add terms

40/7* 21/10
When we multiply fractions, we need to remember that the product of two fractions is equal to the product of the numerators divided by the product of the denominators. Let's find the given product!
40/7* 21/10
MultFrac

Multiply fractions

40* 21/7* 10
Multiply

Multiply

840/70
The quotient is 84070. We can also write this fraction as an integer.
840/70
ReduceFrac

a/b=.a /70./.b /70.

840Ă·70/70Ă·70
SimpQuot

Simplify quotient

12/1
DivByOne

a/1=a

12
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arrow_right Try It p.46-48
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Try It 2 (Page 46)
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arrow_right Self-Assessment for Concepts & Skills p.48
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arrow_right Self-Assessment for Problem Solving p.49
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