Adding Fractions

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

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

3/5 + 3/10

• 9/12

• 9/10

• 3/5

• 6/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

5/12 + 1/3 (Don't forget to SIMPLIFY)

• 6/12

• 9/12

• 6/15

• 3/4

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

7/18 + 1/3

• 8/18

• 13/18

• 8/21

• 2/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/2 + 9/20

• 10/20

• 1/2

• 13/20

• 19/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

3/20 + 3/4. (Don't forget to SIMPLIFY)

• 18/20

• 6/20

• 9/10

• 9/20