Example - Adding Fractions with Unlike Denominators

• 14/16

• 7/8

• 8/7

• 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Look at the problem. What step is taking place?

• Add the numerators, then add the denominators

• Add the denominators (3 + 4 = 7).

• Simplify the answer

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• 6

• 9

• 12

• 15

Tags

CCSS.5.NF.A.1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 18

• 36

• 54

• 72

Tags

CCSS.5.NF.A.1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2