The least common multiple (LCM) of 21, 56, and 63 is 504.
63
63
63
63
Least common multiple of 63 and 56 is 504.
The least common denominator (LCD) is 1.
The least common multiple (LCM) of 21, 56, and 63 is 504.
3
63
it's 63
126
63
63
You need at least two fractions to find a common denominator.
63
63