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 least common denominator (LCD) for 100 and Y is the smallest multiple that both numbers share. Since 100 is a constant, the LCD will be 100Y, as it incorporates both 100 and the variable Y. Thus, any expression involving these two terms can be expressed over the LCD of 100Y.
LCD(25, 20, 4) = 100.
The LCD of 60 and 100 is 300.
100
100
4900
LCD(100, 1) = 100.
700
100