Adding Improper Fractions

What is the first step in solving this problem?

4/5 + 1/2 = ??

• Make each fraction into an improper fraction

• Rewrite the fractions in the simplest form

• Add the top parts of the fraction

• Find a common denominator

Tags

CCSS.7.NS.A.1C

3/9 + 1/3 =

• 7/9

• 4/12

• 6/9

• 17/21

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/2 + 6/8

• 5/10

• 1/8

• 7/10

• 10/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/3 + 1/6

• 1

• 5/6

• 7/8

• 3/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2/5 + 3/7 + 5/12

Is this the correct answer?

• No, 5 + 7 is not 12

• Yes, the student correctly added

• No, 2 + 3 is not 5

• No, you cannot add unlike denominators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/4 + 3/5

• 17/20

• 3/20

• 4/20

• 4/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/7 + 2/21

• 13/21

• 6/8

• 11/21

• 17/30

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2