Respuesta :

5/3 = 1.67 (rounded)
9/5 = 1.8
20/7 = 2.86 (rounded)
8/4 = 2

C. 20/7  is the greatest fraction, and therefore is your answer

hope this helps
5:3= 1 2/3

9:5= 1 4/5

20:7= 2 6/7

8:4= 2

The greatest fraction is "C" 20:7. 

I hope this helps!
~kaikers