How do you find the Least common multiple of $20y, 14y^2$ ?

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Answer 1 · 2016-11-30T15:20:48

$LCM = 2^2*5*7*y^2=140y^2$

Factorize the two expressions:

$20y=2^2*5*y$
$14y^2=2*7*y^2$

The LCM is the product of all factors - common or not common - taken once with the highest exponent.

$LCM = 2^2*5*7*y^2=140y^2$

How do you find the Least common multiple of 20y, 14y^220y, 14y^2?