Adding Subtracting 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

3 4/5 + 4 3/5

• 7 9/5

• 7 1/5

• 8 2/5

• 8 1/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7 3/5 + 4 1/5

• 10 4/5

• 11 4/5

• 11 2/5

• 12 4/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4 2/3 + 1 1/3 + 2 1/3

• 7 2/3

• 8 2/3

• 8 1/3

• 9 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7 2/3 - 3 1/3

• 4 3/3

• 4 1/3

• 3 1/3

• 5 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Write the mixed number as a fraction. 3 2/3

• 5/3

• 9/3

• 11/3

• 2/3

6  2/4  + 3  3/4

• 10  1/4

• 9  1/4

• 9  4/4

• 9  5/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3  4/5  + 4  3/5

• 7  2/5

• 8  2/5

• 6  3/5

• 8  9/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Solve and simplify to lowest terms.

• a

• b

• c

• d

Tags

CCSS.7.NS.A.1C

Solve and simplify to lowest terms.

• a

• b

• c

• d

Tags

CCSS.7.NS.A.1C