6. 3 3/8+6 5/8=10

7. 11/14-3/14= 8/14

8. (-1/8)-5/8=-3/4

9. 4/12-10/12=-1/2

8 answers

Right.
10. Hank was 62 1/8 inches tall at the end of school in June. He was 63 7/8 in September. How much did he grow during the summer? 1 3/4

11. 2/5+1/5=3/5

12. 3/10+7/10=1

13.(-3/4)+(-3/4)= -1 1/2
14. (-13/16+(-9/16)=1 5/16

15. 7 2/5+4 2/5= 11 4/5

16. 5 17/20+5 9/20= 11 3/10

17. 5 7/9+ 3 5/9=9 1/3
14. No.

The others are correct.
1 3/8
The answer for 14 is a negative.
I got -22/16 and I divide it to get a mixed number
-22/16 = -1 6/16 = -1 3/8