Respuesta :

Answer:

4 and 5

Step-by-step explanation:

The sum of 2 3/4 + 1 3/4 is 3 6/4, or 3 3/2, or 4 1/2.  

4 1/2 is between 4 and 5.

Answer:

4 and 5

Step-by-step explanation:

2 3/4 plus 1 3/4 is equal to 4.5.