There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of two or more fractions.
What is the least common denominator? For one over five and 3/6
154
The Least Common Denominator of 5, 7, and 35 is 1.
210
84
The least common denominator (LCD) is 630.
The least common denominator of 2, 5 and 7 is 70. Since all those numbers are prime, the answer is their product.
What is the least common denominator? For one over five and 3/6
154
Least common denominator of 7 and 5 is 35.
The Least Common Denominator of 5, 7, and 35 is 1.
It is: 84
210
84
7
The numbers 7, 3, and 2 share no common denominator. They are prime numbers.
The least common denominator is 38*7 = 266.