Subtracting Unlike Fractions

What is the least common denominator for the problem  $\frac{4}{5}-\frac{3}{4}$  ?

• 1

• 9

• 20

• 40

Tags

CCSS.4.NF.A.2

Which fraction is equivalent to  $\frac{4}{5}$  ?

•  $\frac{4}{20}$  

•  $\frac{8}{20}$  

•  $\frac{12}{20}$  

•  $\frac{16}{20}$  

Tags

CCSS.4.NF.A.1

Which fraction is equivalent to  $\frac{3}{4}$  ?

•  $\frac{3}{20}$  

•  $\frac{9}{20}$  

•  $\frac{12}{20}$  

•  $\frac{15}{20}$  

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

Which subtraction problem is equivalent to  $\frac{4}{5}-\frac{3}{4}$  ?

•  $\frac{4}{20}-\frac{3}{20}$  

•  $\frac{20}{20}-\frac{15}{20}$  

•  $\frac{16}{20}-\frac{20}{20}$  

•  $\frac{16}{20}-\frac{15}{20}$  

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

What is the answer to the problem  $\frac{4}{5}-\frac{3}{4}$  ?

•  $\frac{1}{15}$  

•  $\frac{1}{1}$  

•  $\frac{1}{20}$  

•  $\frac{1}{0}$  

Tags

CCSS.4.NF.A.2

Can $\frac{1}{20}$  be simplified?

• Yes

• No

Tags

CCSS.4.NF.A.1

What is the least common denominator for the problem  $\frac{1}{2}-\frac{1}{6}$  ?

• 1

• 2

• 6

• 12

Tags

CCSS.4.NF.A.2

Which fraction is equivalent to  $\frac{1}{2}$  ?

•  $\frac{1}{6}$  

•  $\frac{3}{6}$  

•  $\frac{3}{12}$  

•  $\frac{11}{20}$  

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

Which fraction is equivalent to  $\frac{1}{6}$  ?

•  $\frac{1}{2}$  

•  $\frac{2}{6}$  

•  $\frac{1}{6}$  

•  $\frac{3}{12}$  

Tags

CCSS.4.NF.A.1

Which subtraction problem is equivalent to  $\frac{1}{2}-\frac{1}{6}$  ?

•  $\frac{1}{6}-\frac{1}{6}$  

•  $\frac{2}{6}-\frac{1}{6}$  

•  $\frac{3}{6}-\frac{1}{6}$  

•  $\frac{6}{6}-\frac{1}{6}$  

Tags

CCSS.4.NF.A.1