Adding and Subtracting Fractions with Unlike Denominators Word Problems

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

• common numerator

• common denominator

• equivalent fraction

• mixed number

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

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.7.NS.A.1C

Jerome walked 2/3 mile in the morning and 11/12 mile in the evening. How many miles did he walk in all?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tanvi and her friend are working together on a group homework assignment. Tanvi has completed 1/2 of the problems and her friend has completed another 2/5 of them. Together, what fraction of the problems have they completed so far?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve this problem:
Penny raked 3/5 of her yard on Saturday and 1/3 of her yard on Sunday. How much of her yard did she rake?

• 1/5

• 4/15

• 14/15

• 1 and 4/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Kayla has 3/9 of a pizza and Lille gave her 2/9 of a pizza. How much pizza does Kayla have now?

• 5

• 5/9

• 1/9

• 6/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Tiffany bought 2/5 kg of cherries.  Linda bought 1/10kg of cherries.  How many kg of cherries did they buy altogether?  

• 1/5 kg

• 3/10 kg

• 5/15 kg

• 1/2 kg

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the least common denominator of the fractions 1/4 and 2/3 ?

• 2

• 4

• 8

• 12