The Least Common Multiple (LCM) for 4 6 9 20 is 180.
180 = 45*4 and 20*9.
The least common multiple of 9 and 105 is 315.
The LCM is 180.
The LCM of 4 and 5 is 20.
The LCM of 4 and 20 is 20
Since 20 is a multiple of 4, it is automatically the LCM.
The LCM is 20.
If that's 6/4 and 9/5, the least common denominator is 20.
LCM(4, 5, 10) = 20
LCM of 4, 10, and 20 = 20
LCM of 4,9,27 is 108