Adding and Subtracting Fractions with Unlike Denominators

 $\frac{1}{4}+\frac{2}{3}$  

•  $\frac{3}{12}$  

•  $\frac{3}{4}$  

•  $\frac{11}{12}$  

•  $\frac{3}{7}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Simplify $\frac{4}{12}$  

• 2/6

• 1/3

• 1/6

• 1/4

Tags

CCSS.4.NF.A.1

Andrew ran 1/3 of a mile and swam 5/6 of a mile. How much farther did he swim than run?

• 5/18 of a mile

• 1/2 of a mile

• 4/3 of a mile

• 3/6 of a mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

(Choose one that is true) When you add or subtract fractions with unlike denominators you..

• Find the greatest common factor to change your denominator

• Change the denominator by picking a random number then divide

• Find the least common multiple to change your denominator

• none of these are true

Tags

CCSS.7.NS.A.1C

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

 $\frac{3}{5}-\frac{2}{6}$  

• 0

•  $\frac{1}{3}$  

•  $\frac{1}{30}$  

•  $\frac{4}{15}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/15 - 1/5 = 

• 1/10
• 1/3
• 7/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

1/2 + 1/4 = 

• 3/4
• 2/4
• 3/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Bryan made a fruit salad. He used 1/3 cup of strawberries, 2/3 cup of grapes and 3/4 cup of pineapples. How many cups of fruit did Bryan use altogether?

• 1 and 3/4 cups

• 1 and 1/4 cups

• 1 and 7/12 cups

• 1 and 6/12 cups

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Jocelyn ran 1/3 mile on Wednesday morning. She ran 1/2 mile on Thursday morning. How much farther did Jocelyn run on Thursday than Wednesday?

• 5/6 mile

• 1/5 mile

• 1/4 mile

• 1/6 mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2