ADD FRACTIONS, SUBTRACT FRACTIONS
PROBLEMS 2
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13. Subtract these mixed units.
11. a) |
8 hours |
|
b) 8 hours 20 minutes |
11. a) − |
3 hours 50 minutes |
|
− 3 hours 50 minutes |
11. a) − 4 hours 10 minutes |
11. b) − 4 hours 30 minutes |
11. c) |
7 feet |
|
d) 7 feet 14 inches |
11. c) − |
4 feet 11 inches |
|
− 4 feet 11 inches |
11. a) − 2 feet 1 inch |
11. b) − 2 feet 5 inches |
14. a) 6 − 1 |
2 3 |
= 4
| 1 3 |
|
b) 8 − 3 |
3 4 |
= 4 |
1 4 |
|
12. c) 5 − 1 |
5 8 |
= 3 |
3 8 |
|
d) 9 − 4 |
1 5 |
= 4 |
4 5 |
15. Each whole number has been reduced by 1. What is the missing
13. numerator?
13. a) 5 |
2 5 |
= 4 |
7 5 |
|
b) 6 |
3 8 |
= 5 |
11 8 |
|
c) 9 |
1 3 |
= 8 |
4 3 |
|
d) 8 |
5 9 |
= 7 |
14 9 |
16. Subtract.
14. a) 5 |
1 3 |
− 2 |
2 3 |
= 2 |
2 3 |
|
b) 6 |
1 4 |
− 1 |
3 4 |
= 4½ |
|
c) 9 |
3 8 |
− 5 |
7 8 |
= 3½ |
13. d) 7 |
3 10 |
− 6 |
9 10 |
= |
2 5 |
|
e) 8 |
5 16 |
− 2 |
15 16 |
= 5 |
3 8 |
|
f) 1 |
3 20 |
− |
9 20 |
= |
7 10 |
17. Subtract. (Compare Example 9.)
14. a) 6 |
1 8 |
− 2 |
3 4 |
= 3 |
3 8 |
|
b) 5 |
1 2 |
− 1 |
5 6 |
= 3 |
2 3 |
14. c) 9 |
3 4 |
− 2 |
5 6 |
= 6 |
11 12 |
|
d) 6 |
2 9 |
− |
5 6 |
= 5 |
7 18 |
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