Addition/Sub Fractions

What is the common demoninator for these fractions?

• 3

• 16

• 9

• 8

What is the least common denominator for the following fractions:

What must you do first in order to add or subtract fractions with unlike denominators?

• add the numerators

• add the denominators

• find a common denominator

• find a common numerator

Tags

CCSS.7.NS.A.1C

What is the difference of 7/8 - 1/3 ?

• 13/24

• 8/11

• 6/5

• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Marty made two types of cookies.  He used 2/3 cups of sugar for one recipe and 1/4 cup of sugar for the other.  How much sugar did he use in all?

• 3/7

• 5/12

• 11/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add these fractions:  1/6 + 3/6
Make sure your answer is in the simplest form.

• 4/6

• 5/6

• 2/3

• 1/3

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

Subtract and simplify if you can.
2/4 - 3/8

• 1/8

• 5/4

• 4/32

• 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add the following fractions by finding equivalent fractions with like denominators.

• 1/6

• 4/12

• 2/3

• 5/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2