Add and Subtract Fractions

  $\frac{8}{9}$  -  $\frac{1}{3}$  =

•  $\frac{7}{6}$  

•  $\frac{5}{9}$  

•  $\frac{2}{3}$  

•  $\frac{8}{27}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• $\frac{3}{8}$

• $\frac{3}{16}$

• $\frac{1}{8}$

• $\frac{3}{64}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• $\frac{4}{5}$

• $\frac{4}{10}$

• $\frac{2}{5}$

• $\frac{4}{25}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Add these fractions: $\frac{2}{6}$ + $\frac{3}{6}$  

•  $\frac{4}{6}$  

•  $\frac{3}{6}$  

•  $\frac{5}{6}$  

•  $\frac{6}{6}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What number could be a common denominator for these two fractions?
1/5   and   5/6?

• 30
• 11
• 6
• 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $\frac{3}{5}$ + $\frac{1}{4}$  = 

•  $\frac{4}{20}$  

•  $\frac{12}{20}$  

•  $\frac{7}{20}$  

•  $\frac{17}{20}$ 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add these fractions: $\frac{1}{2}$ + $\frac{1}{3}$ =

•  $\frac{5}{6}$ 

•  $\frac{4}{6}$  

•  $\frac{1}{5}$ 

•  $\frac{3}{5}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve and Simplify.

• $\frac{1}{10}$

• $\frac{28}{10}$

• $2\ \frac{1}{10}$

• $2\ \frac{9}{10}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve.

• $7\ \frac{4}{12}$

• $7\ \frac{2}{3}$

• $6\ \frac{1}{3}$

• $9\ \frac{5}{6}$

Tags

CCSS.7.NS.A.1C