Question

Find the Least Common Multiple of these two monomials:

9a^2bc^3 and 30ab^2c^3

9a^2b^2c^3
3ab^3
90ab^3
90a^2b^2c^3

Answer 1

LCM of 9 and 30  is 90

Its 90 a^2b^2c^3

Answer 2

the LCM for 9 and 30 is 90

LCM for a = a^2 and ab^2 = a^2

LCM for b =  bc^3 and abb^2 =b^2

 LCM for c = bc^3 and c^3 = C63

 so answer is 90a^2b^2c^3