Fraction and Decimal Word Problems

Daniel walked  $$5\frac{1}{4}$$  miles on Monday and  $$3\frac{2}{3}$$   on Tuesday. How far did Daniel walk on Monday and Tuesday combined?

At closing time, a restaurant has  $$7\frac{1}{2}$$  pumpkin pies and   $$5\frac{2}{7}$$  pecan pies. How many pies does the restaurant  have in all?

Courtney has ​ $$7\frac{3}{8}$$  yards of ribbon. She uses  $$1\frac{3}{4}$$  
 yards of ribbon to wrap presents. How much ribbon does Courtney have left?
  

Yesterday, Jeffery and Carlin went running. Jeffery ran ​ $$5\frac{1}{6}$$  miles and Carlin ran  $$3\frac{2}{3}$$  miles. How much further did Jefferey run than Carlin?