120
30
The answer is 120. 30 X 4 = 120. 12 X 10 = 120.
The least common denominator is 120.
the common denominator of 10, 8, and 12 is 120.
The common denominator is 30. There are others, but 30 is the LCD.
40 = 2 x 2 x 2 x 5 30 = 2 x 3 x 5 Least common denominator = 2 x 2 x 2 x 5 x 3 = 120
120
You need at least two fractions to find something in common.
A common denominator, though not the least one, is 120.
120
120
It is 120.