Respuesta :

12.25 just divide all of them first then add all together

Answer:

49/4 or 12 1/4

Step-by-step explanation:

9/2+9/2=18/2

Then have 18/2 have the same denomater as 13/4

18/2*2= 36/4

Then add them together

36/4+13/4= 49/4

49/4= 12 1/4