100
LCD(5, 4, 10, 3) = 60
20
100
The GCF is 5.
Lcd of 5,4,2 is 20 because 5*4=20 and 2*10=20
440
140
60
LCD(40, 50) = 200
The LCD is 60. (60/4 = 15, 60/5 = 12, 60/6 = 10)
It is: 40 which is also the LCM
If that's 84 and 35, the LCD is 420.If that's 8/4 and 3/5, the LCD is 20.