LCM for 90 and 120 is 360.
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Least Common Multiple (LCM) for 120 90 is 360.
Write out the multiples of each: 30, 60, 90, 120 40, 80, 120. 120 is the first that appears in both and this is your LCM
Multiples of 18: {18, 36, 54, 72, 90...}Multiples of 30: {30, 60, 90, 120, 150...}Therefore the LCM is 90.
The answer is 120.It is: 120
The LCM is: 120