Respuesta :

Answer:

(5/2) + 8/3b

Step-by-step explanation:

2 1/2 + 3b - 1/3b

2 1/2 + (3b - 1/3b)

2 1/2 + (9/3b - 1/3b)

2 1/2 + 8/3b

(5/2) + 8/3b