Bryant - Review Multiplying/Dividing Fractions/Mixed #

Bryant - Review Multiplying/Dividing Fractions/Mixed #

Multiple Choice

Simplify.

 $\frac{9}{14}\cdot\frac{2}{3}$  

•  $\frac{27}{28}$  

•  $\frac{18}{42}$  

•  $\frac{3}{7}$  

•  $\frac{9}{21}$  

Multiple Choice

Simplify.

 $6\frac{2}{5}\cdot3\frac{1}{8}$  

• 20

•  $\frac{800}{40}$  

•  $\frac{80}{4}$  

•  $\frac{125}{256}$  

Multiple Choice

Simplify.

 $\frac{15}{28}\div\frac{3}{7}$  

•  $\frac{45}{196}$  

•  $\frac{5}{4}$  

•  $\frac{105}{84}$  

•  $\frac{35}{28}$  

Multiple Choice

Simplify.

 $4\frac{7}{12}\div2\frac{3}{4}$  

•  $\frac{605}{48}$  

•  $\frac{5}{3}$  

•  $\frac{220}{132}$  

•  $\frac{48}{605}$  

Fill in the Blank

What is the reciprocal of

 $\frac{4}{7}?$  

Multiple Select

Which numbers are common factors of 24 and 56?

• 6

• 4

• 8

• 3

• 12

Explanation.

• Correct answer.
   $4\cdot6=24\ and\ 4\cdot14=56$  
  

• Correct answer.                                              $3\cdot8=24\ and\ 7\cdot8=56$  

•  $\ \$  

Explanation

• Wrong answers.

   $4\cdot6=24,\ but\ 6\cdot9=54\ and\ 6\cdot10=60,\ not\ 56.$  

• Wrong answers.         $3\cdot8=24,\ but\ 3\cdot18=54\ and\ 3\cdot19=57,\ not\ 56.$  

• Wrong answers.     $2\cdot12=24,\ but\ 4\cdot12=48\ and\ 5\cdot12=60,\ not\ 56.$