Question

How do you find the LCM for `10a^2, 12ab^2`?

Answer 1

It is `10a^2=2*5*a^2` and `12ab^2=3*2^2*a*b^2` hence

`LCM(10a^2,12ab^2)=5*a^2*3*2^2*b^2=60*a^2*b^2`