Adding Fractions and Mixed Numbers

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

Add the fractions. Simplify if needed.

Tags

CCSS.7.NS.A.1C

Add the fractions. Simplify if needed.

• 1

• 2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Add the fractions. Simplify if needed.

• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 4/7

• 13/12

• 1 1/12

• 4/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the sum.

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 3/10

• 5/10

• 5/7

• 1 3/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2