Please help me who will give me the write answer I will mark them as braniest
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1. 3/8 - 4/7
LCM= 56
21/56 - 32/56
-11/56
2. 5/12 - 3/6
LCM = 12
5/12 - 6/12
-1/12
3. 15/16 - 7/12 - 3/8
LCM = 48
45/48 - 28/48 - 18/48
-1/48
4. 4/5 - 1/6 - 1/2
LCM = 30
24/30 - 5/30 - 15/30
4/30
2/15
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