COURSE 2 LESSON 4-5COURSE 2 LESSON 4-5

4-5

Find 4 ÷ 1 .23

34

23

34

÷4 1

Multiply by the reciprocal of , which is . = •143

47

74

47

=14 • 43 • 7

2

1

Divide 14 and 7 by their GCF, which is 7.

=83

Multiply.

= 2 23

Write as a mixed number.

= ÷143

74

Write the mixed numbers as improper fractions.

Dividing Fractions and Mixed Numbers

COURSE 2 LESSON 4-5COURSE 2 LESSON 4-5

4-5

12

14

÷ 12 ÷ 1, or 12Estimate 12 1

Write the mixed numbers as improper fractions.12

14

÷ = ÷12 1 252

54

Multiply the reciprocal of , which is .252

45

= •45

54

= 25 • 42 • 5

Divide 25 and 5 by their GCF, 5. Divide 4 and 2 by their GCF, 2.

1 1

25

You have a piece of yarn that is 12 ft long. You need to cut

it into strips that are 1 ft long. How many strips will you have?14

12

12

14

To find how many 1 -ft long strips are in 12 ft, divide 12 by 1 .

121

4

Dividing Fractions and Mixed Numbers

COURSE 2 LESSON 4-5COURSE 2 LESSON 4-5

4-5

(continued)

Check for Reasonableness The answer, 10, is close to the estimate, 12. The answer is reasonable.

There are ten 1 -ft strips of yarn in 12 ft.14

12

= = 10101

Simplify.

Dividing Fractions and Mixed Numbers

Find each quotient.

1. ÷2. ÷

3. 1 ÷ 2 4. 3 ÷

34

COURSE 2 LESSON 4-5COURSE 2 LESSON 4-5

4-5

18

23

56

25

27

15

16

5572

2137

38

179

Dividing Fractions and Mixed Numbers