Add and subtracting fractions

• $\frac{4}{5}$

• $\frac{4}{10}$
  
  

• $\frac{2}{5}$

• $5$
  

What is 

 $\frac{2}{8}+\frac{3}{8}$  

• 
• 
• 

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

To find the sum, you need to...

• add

• subtract

• multiply

• divide

Tags

CCSS.6.NS.B.3

Evaluate the expression:  $\frac{2}{3}+\frac{1}{6}$  

• 1

•  $\frac{5}{6}$  

•  $\frac{7}{8}$  

•  $\frac{3}{9}$  

Find the difference:  $\frac{5}{9}-\frac{3}{9}$  

• one ninth

• two ninths

• 8 ninths

• 3 ninths

 $\frac{4}{7}+\frac{1}{3}=$  

•  $\frac{17}{21}$  

•  $\frac{19}{21}$  

•  $\frac{5}{10}$  

•  $\frac{5}{21}$  

 $2\ \frac{3}{4}-\frac{1}{2}=$  

•  $1\ \frac{1}{2}$  

•  $2\ \frac{1}{2}$  

•  $1\frac{1}{4}$  

•  $2\frac{1}{4}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $14\ \frac{3}{8}+2\ \frac{6}{8}=$  

•  $17$  

•  $16\ \frac{1}{8}$  

•  $12\ \frac{3}{8}$  

•  $17\ \frac{1}{8}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $4\ -\ 2\ \frac{1}{3}=$  

•  $1\ \frac{2}{3}$  

•  $2\ \frac{2}{3}$  

•  $2\ \frac{1}{3}$  

•  $6\frac{1}{3}$  

Tags

CCSS.7.NS.A.1C