Adding/Subtracting 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 least common denominator you could use to subtract 1/3 and 1/4?

• 3
• 4
• 24
• 12

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 mixed number equation:
1⅔ + 1⅚

• 3 1/2
• 2 7/6
• 3 7/6
• 2 7/9

Tags

CCSS.7.NS.A.1C

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

Convert this improper fraction to a mixed number: 12/6

• 1 6/6
• 1 2/6
• 1 1/3
• 2

Tags

CCSS.5.NF.B.3

• 5/14
• 3/7
• 5/7
• 5/14

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 3/8
• 3/16
• 1/8
• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 4/5
• 4/10
• 2/5
• 5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1/3 + 1/3 + 1/3 =

• 1
• 1/3
• 2/3
• 3/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A