Adding Fractions and Mixed Numbers Like Denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When adding mixed numbers, which do you add first?

• The whole number

• The fractions

• It doesn't matter

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• 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

What is the the next step to finding this answer?

• Add the numerators (1+1=2)

• Multiply both numerators by 12 .

• Multiply the first numerator by 4 and the second numerator by 3.

• Multiply the first numerator by 3 and the second numerator by 4.

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

1/8 + 5/8

• 8/8

• 3/4

• 6/8

• 1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/6 + 1/6

• 1/2

• 3/6

• 1/6

• 4/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

3/4 - 1/4

• 2/4

• 4/4

• 1/2

• 5/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

10/12 - 6/12

• 4/12

• 1/3

• 1/2

• 16/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D