Direction: Solve the following problems.
1. A carpenter had a piece of wood that was 18 feet in length. If he needs only 12 and five-twelfths feet of wood, then how much wood should he cut?
2. It took Aldren five-thirds of an hour to complete his math homework on Monday, three-fourths of an hour on Tuesday, and five-sixths of an hour on Wednesday. How many hours did he take to complete his homework altogether?