Add/Sub Fractions Unlike Denominators

What must you do first in order to add or subtract fractions with unlike denominators?

• add the numerators
• add the denominators
• find a common denominator
• find a common numerator

Tags

CCSS.7.NS.A.1C

Add the following fractions by finding equivalent fractions with like denominators.

• 1/6
• 4/12
• 2/3
• 5/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 4  2/3
• 3  4/5
• 5  2/7
• 5  1/6

Tags

CCSS.7.NS.A.1C

Which of the following fractions are equal to this model? Choose 3.

• 4/4

• 4/8

• 1/2

• 2/4

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

What is the difference of 7/8 - 1/3 ?

• 13/24

• 8/11

• 6/5

• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

What is the least common denominator for 3 and 4?

• 6
• 4
• 3
• 12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator for 7 and 2?

• 12
• 14
• 7
• 6

Tags

CCSS.4.NF.A.2

• 1/12
• 1
• 2/35
• 23/25

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the difference between ¼ and ⅙?

• 1/12
• 5/12
• 1/2
• 7/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2