You need at least two numbers to find something in common.
LCD(8, 100) = 200
LCD of 60 and 100 is 300.
The LCD or least common denominator of 10, 100, and 1,000 is 1,000.
The LCD of 60 and 100 is 300.
LCD(25, 20, 4) = 100.
100
4900
100
LCD(100, 1) = 100.
100
700
LCD(40, 50) = 200