A common denominator, though the least, is 260.
A common denominator of 20 and 30 is 600. This is NOT the least common denominator, though.
A common denominator, though not the least one, is 12*20 = 240.
20
20 is.
A common denominator, though the least, is 260.
A common denominator of 20 and 30 is 600. This is NOT the least common denominator, though.
The least common denominator (LCD) is 1.
A common denominator, though not the least one, is 12*20 = 240.
It is: 20
20
20 is.
20
20
There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of a pair of fractions.
The answer is 220
40