24
A common denominator of 6, 8 and 10 is 480. This is NOT the least common denominator, though.
24
168.
That's the least common denominator or LCD.
8
280
The least common denominator.
Eighty-eight is the least common denominator of these three numbers (if they aren't whole numbers; then it's just one).
The least common multiple of two or more denominators is known as the least common denominator, or LCD.
180
63
Fourteenths (eight and seven)