It is: 240
A common denominator, though not the least, is 80.
80
A common denominator, though not the least, is 80.
There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of a pair of fractions.
It is 80
80
80
It is: 80
The Least Common Multiple (LCM) for 15 80 is 240.
The least common denominator of 16 and 5 is 80
80
LCD(70, 80) = 560