Sagot :
get the multiples of each number
get the 1st multiple that both number has
ex: 3 and 9
3------ 3,6,9
9------9,18,27
9 is LCM
get the 1st multiple that both number has
ex: 3 and 9
3------ 3,6,9
9------9,18,27
9 is LCM