The LCD (Least common denominators) is 24
lcm(6, 12, 8) = 24.
LCD(12, 8) = 24.
LCD(8, 12) = 24.
840
264
The LCD for 8 and 10 is 40. To find it, list the multiples of both numbers. The first multiple that they have in common is the LCD.
Prime factor each number. 12= 2x2x3 8=2x2x2 7=7 Multiply the factors the MOST it was used in any number. 2x2x2x3x7=168
120
24
LCD(8, 12) = 24
LCD of 16 and 12 is 2 ( 2 x 8 = 16 and 2 x 6 = 12)