Sums & Differences of Mixed Numbers

 $7\ \frac{5}{6}\ -\ 3\ \frac{2}{3}=$  

 $2\ \frac{3}{5}-1\ \frac{1}{2}=$  

 $5\ \frac{2}{3}-4\ \frac{5}{6}=$  

 $9\ -\ 3\ \frac{3}{8}=$  

 $3\ \frac{1}{9}-1\ \frac{1}{3}=$  

 $6\ \frac{1}{4}-3\ \frac{2}{5}=$  

 $9\ \frac{1}{4}-2\ \frac{5}{8}=$  

 $4\ -\ 1\ \frac{2}{5}$  =

 $\left(2\ \frac{1}{6}+3\ \frac{3}{4}\right)\ -1\ \frac{5}{12}=$  

Benji and Miguel lifted weights. Benji lifted 2.5 pounds. Miguel lifted  $4\ \frac{5}{8}$  pounds.  How many more pounds did Miguel lift?