A common denominator of 20 and 30 is 600. This is NOT the least common denominator, though.
The answer is 20
A common denominator, though not the least one, is 12*20 = 240.
20
20 is.
A common denominator of 20 and 30 is 600. This is NOT the least common denominator, though.
20
The answer is 20
A common denominator, though not the least one, is 12*20 = 240.
It is: 20
20
20 is.
A common denominator, though the least, is 260.
6/20
The answer is 20.
20
LCD(10, 20) = 20