The LCM of 4 and 5 is 20.
Use the LCM of 20 and 6, which is 60: 13/20 = 39/60 5/6 = 50/60
The least common multiple (LCM) of 9, 13, and 20 is 2340.
The LCM is 585.
LCM(4, 5, 10) = 20
LCM(4, 5) = 20.
The LCM is 100.
The LCM is 40.
The LCM is 20.
The LCM is 20
The LCM is 20.
LCM(18, 13, 5) = 1170.