You need at least two numbers to find something in common.
The LCD of 60 and 100 is 300.
LCD of 60 and 100 is 300.
LCD of 75 and 60 is 1500.
LCD(60, 432) = 2160
LCD(60, 95) = 1140.
The LCD is 60. (60/4 = 15, 60/5 = 12, 60/6 = 10)
LCD(12, 20) = 60
900
60
60
780
60