Add and Subtract Unlike Mixed Fractions

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When adding or subtracting fractions, I NEVER add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• 11/10

• 4/10

• 1 1/10

• 4/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 2/5
• 5/6
• 4/6
• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 3/10

• 5/10

• 5/7

• 13/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5/4

• 1 1/4

• 4/4

• 4/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 2/7

• 5/10

• 0/7

• 7/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 4/8

• 1

• 6/10

• 6/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 4/7

• 13/12

• 1 1/12

• 4/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2