addition and subtracting with like denominators

 $\frac{1}{8}+\frac{4}{8\ }\ =\ ?$  

•  $\frac{3}{8}$  

•  $\frac{5}{8}$  

•  $\frac{2}{8}$  

•  $\frac{1}{8}$  

Karen cleaned   $\frac{2}{4}$  of the hallway mirror. Pat cleaned  $\frac{1}{4\ }$   of the mirror. How much of the mirror have they cleaned?

•  $\frac{3}{4}$  

•  $\frac{6}{4}$  

•  $\frac{1}{4}$  

•  $\frac{5}{4}$  

 $\frac{2}{9}_{ }+\frac{3}{9\ }=?$  

•  $\frac{8}{9}$  

•  $\frac{6}{9}$  

•  $\frac{7}{9}$  

•  $\frac{5}{9}$  

Peter washed  $\frac{5}{7}$  of the windows at home yesterday. Janet washed  $\frac{1}{7}$  of the windows today. How much of the window washing have they done?

•  $\frac{3}{7}$  

•  $\frac{4}{7}$  

•  $\frac{6}{7}$  

•  $\frac{8}{7}$  

 $\frac{4}{13}\ +\frac{7}{13}\ =?$   

•  $\frac{11}{13}$  

•  $\frac{10}{13}$  

•  $\frac{3}{13}$  

•  $\frac{8}{13}$  

Bonnie is cooking soup. She has  $\frac{7}{8}$  cup of chopped celery. She puts  $\frac{5}{8}$  cup into the soup. How much of the celery is left?

•  $\frac{3}{8}$  

•  $\frac{4}{8}$  

•  $\frac{2}{8}$  

•  $\frac{1}{8}$  

 $\frac{8}{10}-\frac{2}{10}=?$  

•  $\frac{7}{10}$  

•  $\frac{5}{10}$  

•  $\frac{6}{10}$  

•  $\frac{4}{10}$  

Mary  has a  $\frac{6}{8}$  cups of diced carrots. She uses  $\frac{3}{8}$  of the cup in the soup. How much of the cup of carrots is left?

•  $\frac{5}{8}$  

•  $\frac{2}{8}$  

•  $\frac{1}{8}$  

•  $\frac{3}{8}$  

 $\frac{4}{8\ }\ -\ \frac{3}{8}\ =?$  

•  $\frac{2}{8}$  

•  $\frac{1}{8}$  

•  $\frac{7}{8}$  

•  $\frac{5}{8}$  

 $\frac{11}{20}-\frac{5}{20}\ =?_{ }$  

•  $\frac{9}{20}$  

•  $\frac{8}{20}$  

•  $\frac{1}{20}$  

•  $\frac{6}{20}$