180
The LCM is 180.
The LCM of 10, 18, and 20 is 180.
LCM(20, 10, 18) = 180.
The Least Common Multiple (LCM) for 10 15 20 is 60.
180. 9 * 20 = 180 10 * 18 = 180 12 * 15 = 180
180
180
The LCM is: 7,200
60
60
60
If you mean 10, 15 and 20 then the LCM is 60