Mark ate \(\frac{4}{12}\) of a pie. Viraj ate \(\frac{2}{6}\) of the same pie. Viral ate all that was left over. Who ate the most pie?

Aiden ate \(\frac{1}{5}\) of a cake. Colin ate \(\frac{2}{5}\) of the cake. How much cake was left over?

Put these fractions in order from least to greatest: \(\frac{7}{35}, \frac{40}{50}, \frac{8}{20}, \frac{3}{5} , \frac{25}{5}\)