Question

please solve it quickly

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Answer 1

answer:

LCM'  2   7 , 8 , 2

          2   7 , 4 , 1

               7 , 2 , 1

LCM = 56

6/7 x 8=48/56-----------1

3/8 x 7=21/56-----------2

1/2 x 28=28/56----------3

69/56-28/56=41/56

41/56 x 4/3

41/14 x 3

41/42

reciprocal =42/41