adding and subtracting fractions with common denominator

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

• $\frac{3}{\text{10}}$

• $\frac{\text{3}}{\text{5}}$

• $\frac{\text{3}}{\text{25}}$

• $\frac{\text{15}}{\text{5}}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

The bottom number is called the __________.

• numerator
• denominator

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

• $\frac{\text{1}}{\text{6}}$

• $1$

• $\frac{\text{1}}{\text{0}}$

• $\frac{\text{1}}{\text{12}}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• $\frac{\text{3}}{\text{8}}$

• $\frac{\text{3}}{\text{16}}$

• $\frac{\text{1}}{\text{8}}$

• $\frac{\text{2}}{\text{8}}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{\text{5 }}{\text{9}}-\ \frac{\text{1}}{\text{9}}$  

•  $\frac{\text{5}}{\text{8}}$  

•  $\frac{\text{4}}{\text{9}}$  

•  $\frac{\text{6}}{\text{9}}$  

•  $\frac{\text{6}}{\text{6}}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• $\frac{\text{1}}{\text{8}}$

• $\frac{\text{1}}{\text{7}}$

• $\frac{\text{8}}{\text{1}}$

• $\frac{\text{2}}{\text{5}}$

Tags

CCSS.4.NF.B.3A

 $\frac{\text{7}}{\text{6}}-\frac{\text{4}}{\text{6}}$  

•  $\frac{\text{3}}{\text{6}}$  

•  $\frac{\text{5}}{\text{6}}$  

•  $\frac{\text{7}}{\text{7}}$  

•  $3$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{\text{1}}{\text{2}}+\frac{\text{1}}{\text{2}}$ 

•  $\frac{\text{2}}{\text{2}}$  

•  $\frac{\text{3}}{\text{4}}$  

• 55

• pizza

Tags

CCSS.4.NF.B.3A

• $\frac{\text{1}}{\text{6}}$

• 1

• $\frac{\text{1}}{\text{0}}$

• $\frac{\text{1}}{\text{12}}$

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D