Adding, Subtracting, Multiplying Mixed Numbers

Convert the mixed number to an improper fraction.

• $\frac{5}{4}$

• $\frac{4}{5}$

• $\frac{11}{4}$

• $\frac{4}{11}$

 $3\ \frac{4}{5}+\ 4\ \frac{1}{2\ }=$  

• 8

•  $8\ \frac{1}{5}$  

•  $6\ \frac{3}{5}$  

•  $8\ \frac{3}{10}$  

Tags

CCSS.5.NF.A.1

Bixby and Alexa are cats. Bixby weighs $4\ \frac{1}{8}$  kilograms. Their total weight of the cats is  $6\ \frac{7}{8}$  kilograms. How much does Alexa weigh?

•  $2\ \frac{3}{4}$  

•  $1\ \frac{7}{8}$  

• 3

•  $2\ \frac{7}{8}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

A builder cut $2\ \frac{7}{8}$ inches off a length of lumber. The lumber was  $3\ \frac{3}{8}$   inches to start with. How much is left over?

• 3/4

•  $1\ \frac{1}{2}$  

•  $\frac{1}{2}$  

•  $1\ \frac{3}{8}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $1\ \frac{5}{7}+14\ \frac{1}{2}=$ 

•  $15\ \frac{1}{4}$  

•  $15\ \frac{6}{14}$  

•  $15\ \frac{17}{21}$  

•  $16\ \frac{3}{14}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $4\ \frac{1}{2}+14\ \frac{5}{12}=$  

•  $18\ \frac{4}{7}$  

•  $18\ \frac{11}{12}$  

• 19

•  $18\ \frac{6}{14}$  

Tags

CCSS.5.NF.A.1

 $8\ \frac{5}{7}-7\ \frac{2}{3}\ =$   

•  $1\ \frac{3}{4}$ 

•  $1\ \frac{1}{21}$   

•  $1\ \frac{1}{24}$  

•  $1\ \frac{1}{8}$  

Tags

CCSS.5.NF.A.1

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1⅔ + 1⅚

• $3\ \frac{1}{2}$

• $2\ \frac{7}{6}$

• $2\ \frac{7}{9}$

• answer not here

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2