40
The least common denominator is 280.
A common denominator, though not the least, is 80.
120.
440
40
360
The common denominator for the fractions 6, 5, and 8 is the least common multiple (LCM) of these numbers. The LCM of 6, 5, and 8 is 120. Therefore, 120 is the common denominator for these numbers.
280
120
LCD(5, 6, 8) = 120.
LCD(5, 8, 6) = 120
LCD(5, 8, 7) = 280