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Glencoe Math: Course 1, Volume 1 View details

8. Divide Mixed Numbers

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Exercise 1 Page 329

Rewrite the mixed numbers as improper fractions. Then divide the fractions.

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Practice makes perfect

Let's find the quotient for the given division. 4 16 ÷ 10 We will start by rewriting the whole number and the mixed number as an improper fraction.

4 16 ÷ 10

WriteAsFrac

Write as a fraction

4 16 ÷ 10/1

MixedToFrac

a bc=a* c+b/c

4*6 + 1/6 ÷ 10/1

Multiply

24 + 1/6 ÷ 10/1

AddTerms

Add terms

25/6 ÷ 10/1

Recall that dividing fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. 25/6 ÷ 10/1 = 25/6 * 1/10 Next, we multiply the numerators and the denominators.

25/6 * 1/10

MultFrac

Multiply fractions

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ReduceFrac

a/b=.a /5./.b /5.

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Now, let's check our answer. To do so, we will multiply the quotient, 512, by the divisor, 10.

5/12 * 10

MoveRightFacToNum

a/c* b = a* b/c

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