Step 1:

The fractions are $\"\"$ .

First write the prime factorization of each number.

The prime factors of 9 is $\"\"$ .

The prime factors of 13 is $\"\"$ .

The prime factors of 26 is $\"\"$ .

The prime factors of 3 is $\"\"$ .

LCM is the product of each factor the highest number of times it occurs in any number.

The least common multiple of 9, 13, 26, 3 is $\"\"$ .

Solution :

The least common denominator is 234.