Add & Subtract Mixed Numbers with Like Denominators

$$2\ \frac{1}{4}+\ 2\ \frac{2}{4}=$$  

$$2\ \frac{1}{2}+\ 3\ \frac{1}{2}\ =$$  

$$2\ \frac{2}{6}-1\ \frac{4}{6}=$$  

$$3\ \frac{1}{3}-1\ \frac{2}{3}=$$  

Maria's class recycled 2 $$\frac{2}{8}$$ boxes of paper in a month. If they recycled another 10 $$\frac{4}{8}$$ boxes the next month. What is the total amount they recycled?

$$\frac{11}{12}$$  -  $$\frac{6}{12}$$  

(a)  

2   $$\frac{3}{8}$$  -  $$\frac{5}{8}$$  = ?

$$\frac{4}{9}+\frac{1}{9}=$$  

$$3\frac{1}{4}\ +\ 5\frac{2}{4}\ =$$  

$$4\ \frac{4}{5}\ +3\ \frac{2}{5}$$