NAME ________________________________________ DATE ______________ PERIOD _____
Dividing Mixed Numbers (pages 276–279)
When you divide mixed numbers, first rewrite the mixed numbers as
improper fractions. Then divide as you would with a fraction—by
multiplying by the reciprocal.
1
2
4
5
1
21
5
Since
21
5
1
4
is
5
2
Rewrite as an improper fraction.
5
21
1
B Find 2 3 3 2 .
A Find the reciprocal of 4 5 .
2
3
3
2
1
8
3
7
2
8
3
2
7
16
21
1, the reciprocal of
5
.
21
Rewrite mixed numbers as
improper fractions.
Multiply by the reciprocal.
Try These Together
5
3
1
2. Find 3 5 8 5 .
1. Find the reciprocal of 1 7 .
HINT: Rewrite the mixed number as an
improper fraction.
HINT: Rewrite the mixed numbers as
improper fractions. Multiply by the reciprocal.
Write each mixed number as an improper fraction. Then write its
reciprocal.
3. 7 6
1
4. 3 2
1
5. 1 8
7
6. 2 9
3
8. 6 8
1
9. 2 8
5
10. 1 7
7. 5 5
4
4
Divide. Write in simplest form.
B
1
6
14. 4 3 7
2
1
15. 5 1 12
16. 3 2 5
10
4
1
17. 2 9 1 9
18. 4 2 2 5
1
2
1
2
1
1
1
19. 2 8 2
1
20. Standardized Test Practice A sand mosaic requires 4 cup of sand per
3
project. If there are 3 cups of sand available, how many mosaics can
4
be completed?
A 9
B 12
C 15
D 18
7
Answers: 1. 12
1
2. 41
18
15. 65
24
3. ,
6 43
43
6
16. 1 22
9
7 2
4. ,
2 7
17. 2 5
18. 1 8
1
7
5. ,
8 15
15
8
19. 4 4
1
6. ,
9 22
22
9
51
14. 5 18
20. C
7. ,
5 28
28
5
8. ,
8 49
49
8
9. ,
8 21
21
8
10. ,
7 11
11
7
11. 2 5
1
© Glencoe/McGraw-Hill
5
B
A
13. 12
C
B
8.
13. 1 3 4
C
B
A
7.
1
C
A
5.
6.
1
1
4.
12. 3 6 3
12. 9 2
3.
2
1
11. 2 5 1 11
Parent and Student Study Guide
Mathematics: Applications and Concepts, Course 1