Add Sub Fractions Unlike Denom With Variables

What is the sum?

• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 13/15
• 1 7/12
• 1
• 9/15

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

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

• 3/6

• 1/2

• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• A

• B

• C

• D

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 14/16

• 7/8

• 8/7

• 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

Tags

CCSS.7.NS.A.1C

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