Respuesta :

Answer:

12

Step-by-step explanation:

We find the common denominator of two fractions by multiplying the denominators

3x4=12 so the common denominator of 1/3 and 1/4 is 12

altavistard

Answer:

Step-by-step explanation:

The LCD here is the smallest denominator evenly divisible by both 3 and 4.  That number is 12, obtained by multiplying 3 and 4.