LCM( 36, 60 ) = 180
The formula for finding LCM is
$$ \text{LCM} (a, b) = \frac{ a \cdot b }{ \text{GCD}(a,b)} $$In this example we have: a = 36, b = 60 and GCD(36, 60) = 12.
$$ \text{LCM} (36, 60) = \frac{ 36 \cdot 60 }{ \text{GCD}(36,60)} = \frac{ 2160 }{ 12 } = 180 $$