Respuesta :

Answer:

7b, is the answer. they both have a numerator of 7, and the both have x

Step-by-step explanation:

Answer:

7/3 b

Step-by-step explanation:

7/3 ab - 7/6 b

7/3 b *a  - 7/3*2 b

We can factor out 7/3 b from each term

7/3 b (a - 1/2)