Answer :
[tex]apple\ pies-pumpkin\ pies=3\frac{1}{3}-2\frac{5}{6}\ | making\ improper\ fractions\\\\
apple\ pies-pumpkin\ pies=\frac{10}{3}-\frac{17}{6}\ | making\ common\ denominator\\\\
apple\ pies-pumpkin\ pies=\frac{20}{6}-\frac{17}{6}=\frac{3}{6}=\frac{1}{2}\\\\
\frac{1}{2}\ more\ apple\ pie\ left.[/tex]