queston

4 1/3 + 7 5/13   we can write

4 + 7  + 1/3 + 5/13 =      get a common denominator (39) for the fractions

11 +  13/39  + 15/39  =

11 + 28/39 

4 1/3 + 7 5/13=13/3+96/13=8 5/13=457/39