Adding and Subtracting Fractions with Same Denominators

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

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 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

What is the first step of adding or subtracting two fractions?

• Checking if the numerators are the same

• Checking if the denominators are the same or different

• Checking that the fractions are equal

• Adding or subtracting

Tags

CCSS.7.NS.A.1C

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

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

Tags

CCSS.4.NF.B.3A

When adding or subtracting fractions, I NEVER add or subtract the...

• numerators

• denominators

• mixed numbers

• equivalent fractions

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Once I have completed adding or subtracting fractions, I should always ____________ if possible.

• make equivalent fractions

• add again

• simplify

• multiply

Solve and simplify to lowest terms

• A

• B

• C

• D

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D