so 18*10= 180
180/2= 90
90/18=5
90/10=9
So 90 is the LCM of 18 and 10
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The LCM is: 720720
90
The LCM of 18 and 36 is 36. (18 x 2) and (36 x 1). Since 36 is a multiple of 18, it is automatically the LCM.
The LCM of 2 and 9 is =18
The LCM is: 126