Subtracting Mixed Numbers

Find the difference:
 $9\ \frac{5}{6}-4\ \frac{1}{2}$  

•  $4\ \frac{4}{4}$  

•  $4\ \frac{1}{3}$  

•  $5\ \frac{1}{3}$  

•  $5\ \frac{1}{2}$  

Find the difference:
 $3\ \frac{2}{3}-\frac{1}{9}$  

•  $3\ \frac{5}{9}$  

•  $4\ \frac{7}{9}$  

•  $3\ \frac{1}{6}$  

•  $2\ \frac{5}{9}$  

Find the difference:
 $6\ \frac{1}{3}-1\ \frac{11}{12}$  

•  $4\ \frac{7}{12}$  

•  $5\ \frac{7}{12}$  

•  $5\ \frac{5}{12}$  

•  $4\ \frac{5}{12}$  

Find the difference:
 $12\ \frac{5}{6}-7\ \frac{3}{10}$  

•  $5\ \frac{7}{15}$  

•  $5\ \frac{8}{15}$  

•  $5\ \frac{7}{10}$  

•  $4\ \frac{3}{10}$  

Find the difference:
 $5-2\ \frac{3}{4}$  

•  $3\ \frac{3}{4}$  

•  $2\ \frac{3}{4}$  

•  $3\ \frac{1}{4}$  

•  $2\ \frac{1}{4}$  

Find the difference:
 $4\ \frac{1}{5}-2\ \frac{1}{4}$  

•  $1\ \frac{19}{20}$  

•  $2\ \frac{1}{20}$  

•  $1\ \frac{3}{4}$  

•  $2\ \frac{4}{5}$  

The world record for the heaviest train pulled with a human beard is  $2\ \frac{3}{4}$  metric tons.  The world record for the heaviest train pulled by human teeth is  $4\ \frac{1}{5}$  metric tons.  How much heavier is the train pulled by teeth than the train pulled with a beard?

•  $2\ \frac{1}{20}$   metric tons

•  $1\ \frac{7}{10}$   metric tons

•  $1\ \frac{9}{20}$  metric tons

•  $2\ \frac{9}{20}$   metric tons

Your friend's hair is $50\ \frac{4}{5}$  centimeters long.  Your hair is  $8\ \frac{9}{10}$  centimeters long.  How much longer is your friend's hair than yours?

•  $41\ \frac{9}{10}$  centimeters

•  $40\ \frac{3}{10}$  centimeters

•  $41\ \frac{4}{5}$  centimeters

•  $40\ \frac{9}{10}$  centimeters