140
The LCD of 7 and 77 is 77.
Multiply them together.
15
The LCD for 4/7 and 3/5 is 35.
28.
LCD(7, 4) = 28
LCD(7, 5, 10) = 10
The LCD of x, 5, 7, 15 is 105x.
LCD(5, 7, 25) = 175
The LCD of 567 and 5 is 2835The LCD of 5, 6, 7 and 5 is 210
LCD is 24
You need at least two fractions to find an LCD. If that's 5/7 and 1/2, the LCD is 14.