LCM( 99, 27 ) = 297
Write down multiples of each number until you find the first common multiple:
The multipliers of 99 are: 99, 198, 297, 396, . . .
The multipliers of 27 are: 27, 54, 81, 108, 135, 162, 189, 216, 243, 270, 297, 324, . . .
We can see that:
LCM( 99, 27 ) = 297
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.