What fraction of a cake remains when its 2/8 part has been eaten?

A) 3/4

B) 6/9

C) 3/8  

D) 8/3

Let Total Cake = 1 

              Eaten  = 2/8

      Remaining = 1-2/8

                          = [8-2]/8

                          = 6/8

                          = 3/4