Adding/Subtracting Fractions

• 3/10
• 3/5
• 3/25
• 15/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• numerator
• denominator
• fractionator
• equivalent

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the Least Common Denominator(LCD) of 2/3 + 1/2?

• 2

• 3

• 6

• 12

What is the Least Common Denominator of 1/5 + 2/10

• 5
• 10
• 50
• 15

Simplify  18/24  to lowest terms.

• 4/3
• 9/12
• 3/4
• 1/2

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

Convert the mixed fraction to a improper fraction.

• 27 /7
• 21 /7
• 31 /7
• 41/7

• 14/16
• 7/8
• 8/7
• 4/10

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.7.NS.A.1C

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2