Adding & Subtracting Like Fractions

How do I add this fractions? 

• 6/6
• 6/12
• 5/6
• 6/36

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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?

• 24/12
• 12/24
• 11/12
• 12/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do I add this fraction? 

• 3/10
• 2/5
• 3/5
• 3/25

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

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

• 3/8
• 3/16
• 1/8
• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

8/12 - 3/12

• 4/12
• 1/2
• 5/12
• 11/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5/7 - 2/7

• 3/7
• 3/0
• 1/2
• 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

9/10 - 7/10

• 16/10
• 2/10
• 3/5
• 1/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D