Fifth Grade Fractions Adding Unlike Denominators

• 1
• 3/6
• 1/2
• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 2/5
• 5/6
• 4/6
• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2/6 + 1/2 =

• 5/6

• 3/6

• 4/6

• 3/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/6 + 1/12 =

• 6/18

• 5/60

• 11/12

• 10/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.7.NS.A.1C

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Match the following fractions with their sums.

• 1/3 + 2/9

• 1/10

• 1/20 + 1/20

• 2 1/10

• 1 + 6/5

• 2 2/10

• 1/2 + 8/5

• 5/9

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

1/9 + 2/27

• 3/27

• 5/27

• 3/27

• 3/36

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What number could be a common denominator for these two fractions?
3/10   and   1/5

• 5

• 10

• 15

• These numbers do not have a common denominator