Question

Keith ate 2/6 of candy bar. If there were 6 pieces total, what fraction of the candy bar is left?

Answer 1

If there were 6 pieces and Keith ate 2 of the pieces, then there would be 4 pieces left.
$\frac{4}{6}$
and when you reduce it it would be 
$\frac{2}{3}$

Answer 2

To make the answer simpler the answer is 4/6