The smallest fraction, which each of 6/7, 5/14, 10/21 will divide exactly is_________?

Problems on L.C.M and H.C.F 27/09/2021

A. 30/7
B. 30/98
C. 60/147
D. 50/294

Explanation:

Required fraction = L.C.M of 6/7, 5/14, 10/21

= (L.C.M of 6, 5, 10) / (H.C.F of 7, 14, 21) = 30/7

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