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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
3. Converting Between Fractions and Decimals
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Exercise 12 Page 63

Start by writing the given mixed number as a fraction. Then, divide the numerator by the denominator.

6.85

Practice makes perfect

We want to write the given mixed number as a decimal. 6 1720 We will first rewrite it as a fraction.

6 1720
â–¼
Rewrite 6 1720 as 137/20
MixedToFrac

a bc=a* c+b/c

6* 20+17/20
Multiply

Multiply

120+17/20
AddTerms

Add terms

137/20

We found that 6 1720 is equal to 137 20 when it is written as a fraction. This means that we actually want to find the quotient 137÷ 20. We find the quotient by dividing the numerator of the fraction by its denominator. Let's do it!

$137 \div 20$



We found that 13720 written as a decimal is 6.85. Since we previously found that 6 1720 is equal to 13720, we can say that 6 17420 written as a decimal is 6.85. 6 1720= 13720=6.85

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arrow_right Try It p.62-63
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Try It 2 (Page 62)
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arrow_right Self-Assessment for Concept & Skills p.63
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Self-Assessment for Concept & Skills 10 (Page 63)
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arrow_right Self-Assessment for Problem Solving p.64
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arrow_right Review & Refresh p.65
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