Find Least Common Multiple of 30 and 20 using LCM formula..

Answer

LCM( 30, 20 ) = 60

Explanation

The formula for finding LCM is

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

In this example we have: a = 30, b = 20 and GCD(30, 20) = 10.

LCM (30, 20) = \frac{30 \cdot 20}{GCD ( 30 , 20 )} = \frac{600}{10} = 60

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