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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 30 Page 65

The decimal number - 0.312 can be read as - 312 thousandths.

- 39/125

Practice makes perfect

We want to write the given decimal number as a fraction. - 0.312 To make this easier, we can keep in mind that this number can be read as - 312 thousandths. This means that we can write it as a fraction with a numerator of - 312 and with a denominator of 1000. Then, we can simplify the fraction by dividing both the numerator and denominator by 8.

- 312/1000
MoveNegNumToFrac

Put minus sign in front of fraction

- 312/1000
ReduceFrac

a/b=.a /8./.b /8.

- 312/8/1000/8
CalcQuot

Calculate quotient

- 39/125
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arrow_right Self-Assessment for Problem Solving p.64
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