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.4.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.2

CCSS.5.NF.A.1

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

Solve this mixed number equation:
1⅔ + 1⅚

• 3 1/2
• 2 7/6
• 3 7/6
• 2 7/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5/14
• 3/7
• 5/7
• 5/14

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

• 3/8
• 3/16
• 1/8
• 2/8

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

The number on the top of a fraction is called what?

• numerator
• denominator
• fractionator
• equivalent

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

Solve.  2/3 + 7/12

• 3/5
• 9/15
• 15/12
• 5/12

Tags

CCSS.7.NS.A.1C

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

Tags

CCSS.4.NF.B.3D

CCSS.4.NF.B.3C