Answer:
-17/12
Step-by-step explanation:
-(2/3)-(3/4)
-(8/12)-(9/12)
all work is pictured and shown
A.18.9285714286
B.18 remainder 39
0 1 8
4 2 7 9 5
− 0
7 9
− 4 2
3 7 5
− 3 3 6
3 9
18 combinations
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