Simplify.  Write as a mixed number when necessary.
 $\frac{7}{12}\div2\ \frac{1}{3}$  

Write your answer as a mixed number when necessary. $2\ \frac{1}{6}\ \cdot\ 1\ \frac{3}{4}$  

 $4\ \frac{1}{6}\ \div\ \frac{1}{2}$  

Diane had  $3\ \frac{2}{3}$   cups of flour. She used  $2\ \frac{1}{3}$   cups of flour for a recipe. How many cups of flour does Diane have left?

The Gill family ordered a large pizza. Kyle ate  $\frac{1}{8}$   of the pizza, Scott ate  $\frac{2}{8}$   of the pizza, and Missy ate  $\frac{3}{8}$   of the pizza. How much of the pizza was left?

What is the sum of  $1\ \frac{1}{5}$   and  $3\ \frac{3}{5}$  ?