How do you turn 2/3 into a decimal using long division

Question

This problem is stumping me and i learned it last year im just confused?!!!

Answer 1

     0. 6 6 6

   __________

3 | 2.0 0 0

     1 8

     ____

        2 0

        1 8

        _____

           2 0

 

 

              _

2/3 = 0.66