Adding and Sub Fractions

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

• 5 1/2

• 1 1/6

• 5 5/14

• 4 1 9/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5 1/2
• 1 1/6
• 5 5/14
• 4 19/24

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the Least Common Denominator(LCD) of 2/3 + 1/2?

• 2

• 3

• 6

• 12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Convert the mixed fraction to a improper fraction.

• 22 /9
• 20/9
• 31 / 9
• 4/6

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

Simplify ⁶/₈

• ³/₄
• ²/₃
• ¹²/₂₄
• ³/₈

Tags

CCSS.4.NF.A.1

What is 5 ⁵/₈ - 3 ²/₈?

• 8 ³/₈
• 8 ⁷/₈
• 2 ³/₈
• 1 ⁷/₈

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 13/15
• 1 7/12
• 1
• 9/15

Tags

CCSS.7.NS.A.1C

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