Question

find the LCM of 90 and 144 by shorter division methods
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Answer 1

Answer:

I don't understand the question

Answer 2

Answer:

90 = 3 x 3 x 2 x 5

H.C.F( 90, 144) = 2 x 3 x 3 = 18

L.C.M( 90, 144) = 2 x 2 x 2 x 2 x 3 x 3 x 5

= 720.