Prime factorization:
512 = 29
14 = 2 x 7
The LCM of 512 is 29 x 7 = 3,584.
Thus, the least common denominator for 512 and 14 is 3,584.
If you want whole numbers, 12. If not, 4.
56
4
The common denominator is 28.
There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of a pair of fractions.
You need at least one more fraction in order to have a common denominator.
100
924
The common denominator is 28.
A common denominator, though not the least, is 168.
A common denominator, though not the least one, is 14*49 = 686.
A common denominator, though not the least one, is 14*12 = 168.
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 least common denominator is 70.
You need at least one more fraction in order to have a common denominator.
98
168
126
7.
Their product.