Consumer Math - Fractions

Reduce to the lowest terms
8/10=

• 1/4
• 3/4
• 4/5
• 6/8

Reduce to the lowest terms
8/24=

• 1/8
• 1/4
• 1/6
• 2/12

Reduce to the lowest terms
3/12=

• 3/6
• 2/6
• 1/4
• 1/6

Reduce to the lowest terms
8/16=

• 1/8
• 1/2
• 2/4
• 4/8

Reduce to the lowest terms
6/18=

• 1/12
• 1/4
• 1/3
• 2/9

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

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. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the the next step to finding this answer?

• Add the numerators (1+1=2)
• Multiply 12 X 1 for both fractions to find a new numerator
  
• Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)
• This is a mistake, you don't need to convert to twelfths

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve this mixed number equation:
1⅔ + 1⅚

• 3 1/2
• 2 7/6
• 3 7/6
• 2 7/9

Tags

CCSS.7.NS.A.1C