Fractions and decimals, oh my!

What is the sum of 2/8 and 1/6?

• 5/12

• 1 5/12

• 28/48

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

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3
• 4
• 24
• 12

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. 

Yao drank ¹¹ /₄ bottles of water during a soccer game. What is the number expressed as a mixed number?

• 3 ¹/₄
• 2 ³/₄
• 2 ¹/₂
• 2 ¹/₄

What is the least common denominator of 1/2 and 3/7?

• 2
• 14
• 7
• 28

3/9 + 4/9

• 7/18
• 7/9
• 12/9
• 12/81

1/3 + 1/9

• 4/9

• 9/12

• 6/15

• 3/12

Which of the following equations is true?

•  $\frac{4}{8}+\frac{2}{8}=\frac{6}{16}$  

•  $\frac{5}{10}+\frac{2}{10}=\frac{7}{10}$  

•  $\frac{2}{7}+\frac{2}{7}=\frac{5}{7}$  

  How do you add two fractions with like denominators?

• Add the denominators; keep the numerators the same
• Add the numerators and add the denominators
• Add the numerators to the denominators
• Add the numerators and keep the like denominators