0
Wiki User
I do not really know what the answer is exactly
28
15
It is: 252 which is also the LCM
20
The LCD of any two (or more) of positive integers is 1
LCD(7, 4) = 28
84
It is: 364
140
21
60
The LCD for 4/7 and 7/8 is 56.
The LCD for 3/4 and 4/7 is 28.