Fraction Subtraction and Addition Word Problems with Unlike Denominators

Simon has 1/5 of a gallon of cranberry juice, 1/3 of a gallon of apple juice, and 7/10 of a gallon of grape juice. How much juice does Simon have?

• 9/30

• 1/2

• 1  7/30

• 1  13/30

You decide to dye your hair various colors for Halloween. If you dye 1/3 of it blue, 1/4 pink, and 1/4 black, how much of your original hair color is left?

• 1/6

• 1/12

• 1/3

• 5/6

Snow fell in Monroe twice in one day. The town received 3/8 inch of snow in the morning and another 1/2 inch of snow in the afternoon. How many total inches of snow fell in Monroe on that day?

• 1/8

• 3/10

• 5/8

• 7/8

• 1/12
• 1
• 2/35
• 23/25

What is the least common denominator for this problem?

• 6

• 12

• 18

• 24

What is the least common denominator for this problem?

• 18

• 9

• 24

• 12

What is the least common denominator for this problem?

• 24

• 18

• 32

• 16

What is the least common denominator for this problem?

• 12

• 24

• 36

• 16

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 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