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Envision Math 2.0: Grade 6, Volume 1 View details

Review

Exercise 11 Page 58

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

3020 or 1 12

Practice makes perfect

Before we evaluate the expression, let's first rewrite the expression so that all of the numbers are fractions.

3 34 ÷ 2 12

MixedToFrac

a bc=a* c+b/c

3 * 4+3/4 ÷ 2 * 2+1/2

Multiply

12+3/4 ÷ 4+1/2

AddTerms

Add terms

15/4 ÷ 5/2

Recall that dividing fractions is the same as multiplying the first fraction by the reciprocal of the second fraction. 15/4 ÷ 5/2 = 15/4 * 2/5 When multiplying fractions, remember that the product of two fractions is equal to the product of the numerators over the product of the denominators.

15/4 * 2/5

MultFrac

Multiply fractions

15 * 2/4 * 5

Multiply

30/20

The quotient is 3020. We can also write this fraction as a mixed number.

30/20

WriteSum

Write as a sum

20+10/20

WriteSumFrac