Adding and Subtracting Mixed Fractions with Common Like Denominators

When adding and subtracting fractions, what needs to be the same?

• the numerator

• the denominator

• nothing

• everything

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

When adding fractions with like denominators, the denominators....

• stay the same

• are added together

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How can you find a common denominator?

• Add the denominators together

• Pick your favorite number

• Find a common multiple for the two denominators

When adding and subtracting fractions, which value needs to be the same in all values being added/subtracted?

• Numerator

• Denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Add 3 2/6 + 4 2//6. Put answer in simplest form.

• 7 4/6

• 6 4/6

• 7/2/3

• 6 2/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 7 4/6

• 6 4/6

• 7 2/3

• 6 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

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Solve and simplify to lowest terms

• A

• B

• C

• D

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