Question

I need help understanding how to do this. I can understand the basic idea, I just don't know how to work with letters very well.

Answer 1

(etr)^3 , 70f^6g^2h

Explanation:

e^2r^2t^3

e^3r^3t^2

LCM=e^3r^3t^3

(etr)^3

10f^2gh

35f^3g^2

LCM= 70f^3g^2h