Find Least Common Multiple of 15 and 18 using LCM formula..

Answer

LCM( 15, 18 ) = 90

Explanation

The formula for finding LCM is

LCM (a, b) = \frac{a \cdot b}{GCD ( a , b )}

In this example we have: a = 15, b = 18 and GCD(15, 18) = 3.

LCM (15, 18) = \frac{15 \cdot 18}{GCD ( 15 , 18 )} = \frac{270}{3} = 90

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