Adding Like Denominators to Make Mixed Fractions

• Add the numerators (top parts of the fractions).

• Rewrite the fractions in the simplest form. 

• Rewrite the fractions with a common denominator. 

• Make each fraction into an improper faction. 

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve

• 11 3/4

• 11 3/8

• 11

• 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is ALWAYS required when adding/subtracting fractions?

• The same numerators.

• The same denominators.

• Equivalent fractions.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• 1 3/3

• 5/12

• 1 1/3

• 1 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

9 1/2 + 7 1/2

• 17

• 16 1/2

• 16

• 17 1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

4 1/3 + 2 1/3

• 6 1/3

• 7 1/3

• 6 2/3

• 6 2/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

7/8 + 4/8

• 4 10/8

• 4 3/8

• 5 3/8

• 5 10/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

42/100 + 9/10

• 510/100

• 1 32/100

• 5 10/100

• 1 51/100

Tags

CCSS.4.NF.C.5

2/10 + 6 35/100

• 7 55/100

• 5 37/100

• 7 37/100

• 7 2/10

Tags

CCSS.4.NF.C.5