Add and Subtract Unlike Fractions Word Problem

Tim did 1/12 of a load of laundry on Sunday and 1/4 of a load of laundry on Saturday. What fraction of laundry did Tim do in total?

• 3/16 loads done 

• 1/3 loads done 

• 2/3 loads done 

• 1/6 loads done 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Paula made some chili with 1/2 of a can of black beans and 3/8 of a can of pinto beans. How many cans of beans did Paula use in all?

• 9/16

• 13/16

• 7/8

• 1/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When the denominators are not the same, I must find a...

• common numerator

• common denominator

• equivalent fraction

• mixed number

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

When adding or subtracting fractions, I NEVER add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 10/10

• 1

• 6/10

• 6/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 11/10

• 4/10

• 1 1/10

• 4/7

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

What is the least common denominator you could use to subtract 1/6 and 1/4?

• 24

• 16

• 20

• 12

Following the integer rules, would you add or subtract the fractions?

• add, the answer would be positive

• add, the answer would be negative

• subtract, the answer will be positive

• subtract the answer will be negative

Tags

CCSS.7.NS.A.1C