Subtract Mixed Fractions

 $7\ \frac{5}{8}-4\ \frac{2}{8}=$  

 $3\ \frac{1}{4\ }-1\ \frac{3}{4}=$  

 $6\ \frac{4}{5}-2\ \frac{1}{5}=$  

 $8\ \frac{4}{6}-2\ \frac{5}{6}=$  

 $10\ \frac{2}{6}\ -7\ \frac{3}{6}$  

 $7\ \frac{3}{10}-5\ \frac{5}{10}=$  

 $15\ \frac{2}{3}-8\ \frac{1}{3}=$  

 $5\ \frac{2}{5}-3\ \frac{4}{5}=$  

On Saturday, Rhonda filled 3 1/3 buckets with shells. On Sunday, she filled 4 2/3 buckets with shells. How many more buckets of shells did Rhonda fill on Sunday?

Cooper worked 6 1/6 hours at the book fair. Amanda worked 4 5/6 hours at the book fair. How much longer did Coooper work?