Question

find the sum of the LCM 42, 105, 63,​

Answer 1

Answer:

630

Step-by-step explanation:

42= 2x3x7

105 =5x3x7

63 =3x3x7

 L.C.M = 2 x 3 x 5 x 3 x 7

             = 630

Answer 2

Answer:

630

Step-by-step explanation:

42= (1, 42), (2, 21), (3, 14) and (6, 7)

105= 1, 3, 5, 7, 15, 21, 35, 105.

63=, (1, 63)(7, 9)(3,21)

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