Respuesta :

Answer:

i think the answer is 8 or it could be 2 or 4 :)

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

4 = 2 * 2

8 = 2 * 2 * 2

Common denominator = 8

When two numbers are composite and bigger number is a multiple of a smaller number , then the bigger number will be the common denominator.