Adding and Subtracting Mixed Numbers Quiz Retake!

 $1\frac{1}{2}\ +\ 2\frac{1}{3}$  

 $2\frac{3}{4}\ +\ 1\frac{2}{3}$  

 $3\frac{2}{3}\ -\ \frac{4}{5}$  

 $2\frac{1}{4}\ -\ 1\frac{1}{5}$  

 $\frac{3}{5}\ -\ \frac{1}{3}$  

 $2\frac{2}{5}\ -\ \frac{1}{2}$