Adding fractions

 $\frac{4}{10}$   $+$   $\frac{5}{10}$    $=$  

•  $\frac{11}{10}$  

•  $\frac{10}{9}$  

•  $\frac{9}{10}$  

• 9

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

How do I add this fraction?

• 9/9
• 8/9
• 7/81
• 20/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do I add this fraction? 

• 12/8
• 7/8
• 12/64
• 7/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do I add this fraction? 

• 9/4
• 6/4
• 6/8
• 6/16

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D