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 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

Add.

• 1 1/4

• 4/6

• 2/3

• 1 4/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Subtract.

• -1

• 5/12

• 7/12

• -1/6

Tags

CCSS.7.NS.A.1C

• 2 1/2

• 4 4/6

• 2 1/4

• 4 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add.

• 7 5/8

• 1 5/6

• 8 1/15

• 7 1/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve.

• -3 3/4

• -3 1/4

• 1 3/4

• -1 1/4

Tags

CCSS.7.NS.A.1C

Solve.

• 4 1/3

• 2 5/6

• 2 1/3

• 4 5/6

Tags

CCSS.7.NS.A.1C