Question

LCM: 2a^2b and 5abc^2
LCM: 2x^3y^2 and 6xy^3
LCM: 22abc and 11ab
4x and 10x^2y

Answer 1

LCM: 2a^2b and 5abc^2

start wid finding LCM of numbers first
wats LCM of 2 and 5 ?

Answer 2

Ok 10

Answer 3

good :) save that 10
next find lcm of vairables, one by one.

wats LCM of a^2, a ?
wats LCM of b, b ?
wats LCM of 1, c^2 ?

Answer 4

Yeah how do you find LCM for variables?

Answer 5

very good q :)
LCM of variables is simply the highest exponent.
for ex, LCM of k^9, k is k^9

Answer 6

so,

wats LCM of a^2, a : a^2
wats LCM of b, b : b
wats LCM of 1, c^2 : c^2

Answer 7

so, LCM of 2a^2b and 5abc^2 is
10a^2bc^2

Answer 8

see if that makes some sense

Answer 9

Yes

Answer 10

I think I got it..!

Answer 11

awesome !! try doing next example by yourself, to be sure :)