When do we need to find a common denominator? Check all that apply

• Adding Mixed Numbers and Fraction

• Subtracting Mixed Numbers and Fraction

• Multiplying Mixed Numbers and Fraction

• Dividing Mixed Numbers and Fraction

Tags

CCSS.7.NS.A.1C

Christine baked a pumpkin pie.  She ate 1/6 of the pie.  Her brother ate 1/3.  How much of the pie was left?

• 1/18
• 2/9
• 1/2
• 2/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When multiplying or dividing a NEGATIVE and POSITIVE number your result will be...

• Positive
• Negative
• Depends on which is bigger.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

5 ÷ ⅕

• ⅕
• 1/25
• 5
• 25

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

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

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

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.2A

What is the difference of these fractions in lowest terms?

• 7/9
• 1/5
• 12/20
• 1/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2