Add Subtract Fractions Unlike and Like

What is the sum?

• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the difference.

Tags

CCSS.7.NS.A.1C

Add 4/6 + 2/6=?

• 1

• 5/6

• 6/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

8/10 + 3/5

• 11/15

• 1 1/5

• 14/15

• 1 4/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/2 + 2/5

• 9/10

• 7/10

• 1 3/10

• 3/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/4 + 5/8

• 2/8

• 6/12

• 3/4

• 7/8

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

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.5.NF.A.1

CCSS.5.NF.A.2

Solve this equation using the least common denominator.
¼ + ½

• 3/4

• 2/8

• 6/4

• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of 1/2 and 3/7?

• 2

• 14

• 7

• 28