How Do I reduce 14/20

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Find the solution on the interval [0, 2pi)