Respuesta :

Answer:

9  1/3 -  3 1/4= (3*9+1)/3 - (4*3+1)/4=28/3-13/4= 28*4/12- 13*3/12=112/12-39/12=

73/12=(12*6+1)/12= 6+1/12= 6 1/12

D is the answer

Step-by-step explanation:

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