Adding Fractions

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

5/8 + 5/8

• 10/16

• 5/16

• 8/10

• 10/8

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

Solve.
5/9 + 2/9 + 4/9

• 1  2/9

• 5   6/9

• 11/27

• 12/3

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

3/9 + 4/9

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

1/3 + 1/3 + 1/3 =

• 1

• 1/3

• 2/3

• 3/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

50/100 + 25/100 =

• 100/75

• 100/100

• 75/100

• 52/100

Tags

CCSS.4.NF.B.3A

• 4/5

• 4/10

• 2/5

• 5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

6  2/5 + 4  1/5 =

• 10  4/5

• 10  3/5

• 10  1/5

• 10

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C