ADD/SUBTRACT FRACTIONS WITH UNLIKE DENOMINATORS

_Add

• 2/3
• 15/18
• 1/4
• 9/27

Tags

CCSS.4.NF.B.3A

_subtract

• 5/4
• 1/2
• 1/6
• 1/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

_{The common denominator is _____.} 

• 5
• 10
• 4
• 20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

_{2/3 is equivalent to what fraction in the example?}

• 2/3
• 4/6
• 2/6
• 5/6

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What must you have to add and subtract fractions?

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

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.7.NS.A.1C

• 6/7
• 2/6
• 3/5
• 7/6

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