LCM( 48, 84 ) = 336
Write down multiples of each number until you find the first common multiple:
The multipliers of 48 are: 48, 96, 144, 192, 240, 288, 336, 384, . . .
The multipliers of 84 are: 84, 168, 252, 336, 420, . . .
We can see that:
LCM( 48, 84 ) = 336
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.