1 is the only common denominator.
The least common denominator is 280.
The Least Common Denominator of 3/4 and 7/8 is 8.
A common denominator is 7.A common denominator is 7.A common denominator is 7.A common denominator is 7.
A common denominator, though not the least, is 63000.
It is 168
56
672
504
7/8 and 1/8 have common denominators
LCD(8, 21, 7) = 168.
LCD(10, 8, 7) = 280.