Fraction Operations Review

Fraction Operations Review Activity

Adding & Subtracting Fractions

Remember: to add or subtract fractions, they must have the same denominator!

Multiple Choice

Add the fractions together?

• 3/8
• 11/15
• 2/15
• 1/2

Multiple Choice

What is the difference of these fractions in lowest terms?

• 2/4
• 0
• 0/4
• 1/2

Multiple Choice

What is the difference of these fractions in lowest terms?

• 7/9
• 1/5
• 12/20
• 1/20

Multiple Choice

What is the sum of these fractions in lowest terms?

• 4/5
• 3/20
• 17/20
• 4/20

Multiple Choice

What is the sum of these fractions in lowest terms?

• 22/5
• 6/3
• 22/15
• 6/15

Multiple Choice

• 14/16
• 7/8
• 8/7
• 4/10

Multiple Choice

• 2/15
• 2/0
• 1/2
• -1/2

Multiple Choice

• 1
• 3/6
• 1/2
• 2

Multiple Choice

• 3/20
• 1/1
• 3/9
• 1/9

Multiple Choice

• 2/5
• 5/6
• 4/6
• 1/5

Multiple Choice

2/5 + (-4/3)

• 15/14

• -14/15

• -15/14

• 14/15

Multiple Choice

-5/3 + 3/4

• -11/12

• 11/12

• 12/11

• -12/11

Multiple Choice

-2/7 + (-2/3)

• -21/20

• 21/20

• 20/21

• -20/21

Multiple Choice

-7/4 - 3/4

• 5/2

• 2/5

• -5/2

• -2/5

Multiple Choice

5/7 - 9/7

• 4/7

• -4/7

• 7/4

• -7/4

Multiple Choice

-5/8 - (-15/8)

• 5/4

• -5/4

• 4/5

• -4/5

Multiple Choice

11/6 - (-7/6)

• -3

• 1/3

• -1/3

• 3

Multiple Choice

-13/8 + 7/8

• 4/3

• 3/4

• -3/4

• -4/3

Multiple Choice

-7/4 + 5/4

• 1/2

• -1/2

• 2

• -2

Multiple Choice

5/7 + (-9/7)

• -4/7

• -7/4

• 4/7

• -7/4

Multiplying Fractions

To multiply fractions: multiply the numerators and then multiply the denominators

Multiple Choice

 $\frac{5}{7}\times\frac{7}{12}=$  

•  $\frac{5}{12}$  

•  $\frac{1}{5}$  

•  $\frac{1}{7}$  

Multiple Choice

 $\frac{2}{3}\times\frac{4}{7}=$  

•  $\frac{8}{21}$  

•  $\frac{3}{5}$  

•  $\frac{2}{7}$  

Multiple Choice

 $\frac{9}{10}\times\frac{1}{3}=$  

•  $\frac{1}{3}$  

•  $\frac{3}{10}$  

•  $\frac{1}{9}$  

Multiple Choice

 $\frac{2}{7}\times\frac{7}{9}\ =$  

•  $\frac{14}{63}$  

•  $\frac{2}{7}$  

•  $\frac{2}{9}$  

Multiple Choice

 $\frac{2}{9}\times\frac{8}{11}=$  

•  $\frac{16}{99}$  

•  $\frac{2}{11}$  

•  $\frac{1}{2}$  

Multiple Choice

 $\frac{2}{16}\times\frac{16}{19}=$  

•  $\frac{2}{3}$  

•  $\frac{2}{19}$  

•  $\frac{2}{16}$  

Multiple Choice

 $\frac{1}{8}\times\frac{1}{2}=$  

•  $\frac{1}{8}$  

•  $\frac{1}{16}$  

•  $\frac{2}{16}$  

Multiple Choice

 $\frac{2}{5}\times\frac{3}{4}=$  

•  $\frac{5}{9}$  

•  $\frac{3}{10}$  

•  $\frac{4}{20}$  

Multiple Choice

 $\frac{1}{3\ }\times\ \frac{3}{5\ }=$  

•  $\frac{1}{5}$  

•  $\frac{3}{15}$  

•  $\frac{1}{5}$  

Multiple Choice

 $\frac{3}{4}\times\frac{1}{6}$  

•  $\frac{1}{8}$  

•  $\frac{5}{24}$  

•  $\frac{3}{10}$  

Dividing Fractions

To divide fractions, "Keep it, Change it, Flip it"

also known as

multiply the first fraction (dividend) by the reciprocal of the second fraction (divisor)

Multiple Choice

 $Solve:\ \ \ 4\div\frac{1}{3}$  

• 12

• 2

•  $\frac{4}{3}$  

•  $\frac{3}{4}$  

Multiple Choice

 $Solve:\ \ \ \ \frac{13}{5}\div5$  

•  $\frac{65}{25}$  

•  $\frac{25}{13}$  

•  $\frac{13}{25}$  

•  $\frac{65}{5}$  

Multiple Choice

 $Solve:\ \ \ \ \ \frac{2}{3}\div\frac{5}{9}$  

•  $\frac{18}{15}$  

•  $\frac{15}{18}$  

•  $\frac{10}{27}$  

•  $\frac{27}{10}$  

Multiple Choice

 $Solve:\ \ \ \ \frac{3}{8}\div\frac{3}{4}$  

•  $\frac{24}{12}$  

•  $\frac{32}{9}$  

•  $\frac{9}{32}$  

•  $\frac{12}{24}$  

Multiple Choice

 $Solve:\ \ \ \ \ \frac{5}{6}\div\frac{2}{3}$  

•  $\frac{18}{10}$  

•  $\frac{15}{12}$  

•  $\frac{10}{18}$  

•  $\frac{12}{15}$  

Multiple Choice

 $\frac{2}{3}\div\frac{2}{5}$  

•  $\frac{10}{6}$  

•  $\frac{6}{10}$  

•  $\frac{4}{15}$  

•  $\frac{15}{4}$  

Multiple Choice

 $3\div\frac{3}{10}$  

•  $\frac{9}{30}$  

•  $\frac{3}{30}$  

•  $\frac{30}{3}$  

•  $\frac{30}{9}$  

Multiple Choice

 $\frac{7}{8}\div\frac{3}{4}$  

•  $\frac{12}{56}$  

•  $\frac{56}{12}$  

•  $\frac{28}{24}$  

•  $\frac{21}{32}$  

Multiple Choice

 $Solve:\ \ \ \frac{4}{5}\div2\ =\$  

•  $\frac{8}{5}$  

•  $\frac{10}{4}$  

•  $\frac{4}{10}$  

•  $\frac{8}{10}$  

Multiple Choice

 $Solve:\ \ \ \ \ \frac{8}{9}\div\frac{1}{3}\ =\$  

•  $\frac{24}{9}$  

•  $\frac{9}{27}$  

•  $\frac{9}{24}$  

•  $\frac{3}{4}$  

Multiple Choice

What is the quotient of these fractions in lowest terms?

• 6/40

• 6/10

• 3/5

• 12/20

Multiple Choice

⁴/₉ ÷ ¹/₂

• ⁸/₉

• ⁵/₁₁

• ⁶/₁₀

• ⁴/₁₈