Question

if lcm of 12 and 42 is 10m+ 4 find the value of m.

Answer 1

given ,

lcm (12,42) = 10m +4

84= 10m+4

84 - 4 = 10m

80 = 10m

$m = \: \frac{80}{10} = 8$

m= 8

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