The answer is 60.
The LCM of 12, 15, and 20 is 60.
The LCM is: 180
The LCM for 12, 15 & 20 is.... 60
60
It is: 120
180
It is: 540
300
The LCM is 60.
The LCM of 20 and 12 is 60.39/60 - 35/60 = 4/60 or 1/15
The LCM is 60.
The LCM of 12 and 15 is 60...