Respuesta :

is he runs 1 5/6 miles during the half and 2 1/2 during the second half u will get 
  1.83 

1 5/6 = 1 5/6 
2 1/2 = 2 3/6
1 5/6 + 2 3/6=3 8/6 
3 4/3 = 4 1/3 
so your answer is 4 1/3