If that's 8 and 1/8 and 16 and 1/4, the LCD is 8.
8/16, 3/16, 14/16
The LCD of 16 and 8 is 16, because 8 and 16 are both factors of 16.
LCD(8, 16, 64) = 64
LCD(11, 16) = 176
It is: 16
1680
if you mean 1/4, 1/8 and 1/16, then the LCD is going to be 16. Here is the answer. 4/16 2/16 1/16
80
LCD(12, 14, 16) = 336.
The LCD of 1/4 and 1/6 is 12
32 is the LCD of 8, 16, and 32