24 = 3 x 8
9 = 3 x 3
LCD = 3 x 8 x 3 = 72
LCD(12, 9) = 36
1/3 and 3/8 have a lcd of 24 (8/24 and 9/24)
LCD(2, 24) = 24
LCD(2,6,8,24) = 24
LCD(9, 3) = 9
24
The LCD of 20 and 9 is 180.
LCD(9, 21) = 63
LCD(9, 15) = 45
lcd(9, 6) = 18.
LCD(9, 36) = 36.
the LCD of 2, 9 and 5 = 90