If that's 3/8 and 7/10, the LCD is 40.
If not, it's 13490
It is 114
76
The LCD of 5/7 and 7/10 is 70.
LCD of 38 and 43 is 1
LCD(117, 38) = 4446.
The LCD is 266. Since the pair have no common prime factors, the LCD is the product of the two. 7 x 38 = 266
Lcd(13,56,38) = 13832 lcd(3,6,8) = 24
You need at least two numbers to find something in common. If that's 7 and 10, the LCD is 70.
The LCD for 19 and 2 is 38
710
The LCD of 3/8 and 1/4 is 8.
710