Question

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

Answer 1

Heya

LCM of 12 and 42 is 84

According to the problem,

The LCM of 12 and 42 = 10m+4

84=10m+4

84-4=10m

80=10m

m=80/10

m=8

Hope it helps!

Answer 2

42= 2×3×7
12= 2×3×2
LCM of 42 and 12 is 84
10m+4=84
10m=80
m=8
Hence the answer is 8..
hope this helps!!
cheers!! (: