Adding and Subtracting Fractions

• 14/16
• 7/8
• 8/7
• 4/10

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

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

4/5 - 1/20 = 

• 0
• 20/15
• 3/15
• 15/20

Pam walks 7/8 of a mile to school.  Paul walks 1/2 of a mile to school.  How much farther does Pam walk than Paul? 

• 3/8
• 4/5
• 1 3/8
• 3/4

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all? 

• 5/12
• 3/7
• 11/12
• 1/3

What is 3/4 - 1/2?

• 1      1/4
• 4/5
• 1/4
• 5/6

 $\frac{1}{4}+\frac{2}{3}$  

•  $\frac{3}{12}$  

•  $\frac{3}{4}$  

•  $\frac{11}{12}$  

•  $\frac{3}{7}$  

Sally ran 1/3 of a mile and swam 5/6 of a mile. In simplest form, how much farther did she swim than she ran?

• 1/2
• 5/18
• 4/3
• 3/6

Daniel watched a beetle and a spider on the sidewalk. The beetle crawled 1/2 of a yard and the spider crawled 1/6 of a yard. How much farther did the beetle crawl than the spider?

• 1/4
• 1/3
• 1/2
• 2/3