If Pete colored 1/2 of a poster and Rebecca colored 1/3 of the poster. What fraction still needs to be colored?

Answer 1

1 - ( 1 / 2 + 1 / 3 ) =

1 - ( 3 / 6 + 2 / 6 ) =

1 - 5 / 6 =

6 / 6 - 5 / 6 =

1 / 6

Answer 2

3/6