It is: 252
The LCM of 63 and 84 is 252.
The LCM is: 84
The LCM is 84.
hcf = 42, lcm = 84.
The LCM of 12 and 42 is 84.
The LCM would be 84, since 42 divides into 84 exactly twice !
LCM(21, 28, 42) = 84
84
The LCM of 24, 42, and 84 is 168.
84
Whenever one number is a multiple of the other, the LCM is the larger number and the GCF is the smaller number. The difference is 42.