Adding and Subtracting Fractions

Mrs. Rubino had 3 3/4 pounds of cherries. She used 1 2/5 pounds of cherries for a pie. How many pounds of cherries does she have left?

• 2 1/20 pounds

• 2 7/20 pounds

• 3 15/20 pounds

• 1 3/20 pounds

There are 2 8/9 cups of flour and 1 1/3 cups of sugar. How much more flour is there than sugar?

• 2 cups

• 1 7/9 cups

• 1 3/9 cups

• 1 5/9 cups

If you are adding fractions with different denominators, you:

• add the numerators and then the denominators

• find the GCF (greatest common factor) so you can find a common denominator

• find the LCM (least common multiple) so you can find a common numerator

• find the LCM (least common multiple) so you can find the common denominator

The greatest common factor of 6 and 9 is:

• 3

• 6

• 18

• 54

The least common multiple of 6 and 8 is:

• 48

• 68

• 24

• 2

2/6 + 1/6 =

• 1/4

• 1/6

• 3/12

• 1/2

5/12 - 1/6 =

• 4/6

• 1/12

• 1/4

• 2/3

Sarah used 1/9 meter of ribbon, and then she used 1/3 meter more. How much ribbon did she use in all?

• 4/9

• 1/12

• 1/3

• 5/9

Paul drank 1 1/3 cups of milk. His little sister drank 1/2 cup of milk. Their dad drank 2 5/6 cups of milk. How much did they drink in all?

• 3 5/6 cups

• 4 cups

• 4 5/6 cups

• 4 2/3 cups

Kylee has 1 cup of chocolate chips. She adds 4/6 of the cup to her ice cream. How much of the cup of chocolate chips is left?

• 3/6 or 1/2
• 4/6 or 2/3
• 2/6 or 1/3
• 1/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2