Review

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. 

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

• 2
• 14
• 7
• 28

What is 2/3 + 5/3 in simplest form?

• 7/3
• 7/6
• 1
• 2  1/3

3/5 + 3/10

• 9/12

• 9/10

• 3/5

• 6/10

7/18 + 1/3

• 8/18

• 13/18

• 8/21

• 2/6

Multiply

• 5 / 9
• 3/10
• 5 / 20
• 23 / 20

Divide these fractions

• 8 / 9
• 2 / 1
• 6 / 6
• .333 / .75

Divide these fractions

• 1.5 / 2
• 12 / 16
• 6 / 32
• 5 / 32