Respuesta :

well when you convert the numbers you will get 3 2/6  3 3/6 and 3 4/6 so you can put 3 5/6 an 4

Also, I did not know if you put a 3 there by mistake so Sorry if this is wrong  
The rule is add 1/6 because 1/3=2/6,and 1/2=3/6. 2/3=4/6 so the next terms are 5/6 and one whole. Hope this helps.