3
12 is the LCD for 3 and 4.
LCD(8, 3) = 24.
LCD(2, 3) = 6.
LCD(9, 3) = 9
the lcd (least common denominator) of 3 and 1 is 3
the LCD is 6
LCD(3, 5, 4, 2) = 60
LCD(5, 4, 10, 3) = 60
21
LCD(49, 21) = 147
24 = 3 x 8 9 = 3 x 3 LCD = 3 x 8 x 3 = 72
Since 13 is prime and 18=2*3*3, the LCD would be 2*3*3*13, or 234