Adding Fractions with Common Denominators (Sums as mixed #)

 $\frac{8}{12\ }\ +\ \frac{7}{12\ }=$  

 $\frac{99}{100}+\frac{28}{100}=$  

 $\frac{4}{11}+\frac{3}{11}$  

 $\frac{11}{14}+\frac{9}{14}=$  

 $\frac{4}{6}+\frac{5}{6}=$  

 $\frac{9}{20}+\frac{5}{20}=$  

 $\frac{2}{7}+\frac{6}{7}=$  

 $\frac{2}{5}+\frac{3}{5}=$  

 $\frac{1}{9}+\frac{1}{9}=$