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Answer:
11. Put together 3/8 and 2/8.
3/8 + 2/8 =5/8
12. Find the sum of 1/13, 3/13 and 7/13
1/13 + 3/13 + 7/13 = 11/13
13. Decrease 10 5/9 by 3 3/9.
10 5/9 - 3 3/9 = 7 2/9
15. Subtracting 3 7/20 by 18 19/20 will give the result of
18 19/20 - 3 7/20 = 15 12/20 or 15 3/5
16. What is the difference between 15/17 and 4/17?
15/17 - 4/17 = 11/17
17. Jules slept 8 2/5 hours one night and 8 1/5 hours the next night. How many hours did he sleep altogether?
8 2/5 + 8 1/5 = 16 3/5
18. For a curtain, Nhicole needs 10 9/11 meters of cloth. If he has 5 3/11 meters of cloth available, how many more meters of cloth does he need?
10 9/11 - 5 3/11 = 5 6/11
19. A piece of wire is 12 9/10 meters long. A piece measuring 4 5/10 meters was cut from it. How many meters of wire were cut from it?
12 9/10 - 4 5/10 = 8 4/10
20. Andy jogged 1 1/5 km, walked 2 2/5 km and ran 4/5 km. How many kilometres did he travelled in all?
1 1/5 + 2 2/5 + 4/5 = 3 7/5 or 4 2/5
Step-by-step explanation:
Hope it helps..
Correct me if I'm wrong..
#14 I'm sorry I don't get it.