Subtracting Fractions Common and Uncommon Denominators

What is the first step to add or subtract fractions with different denominators?

• Multiply the numerators

• Find a common denominator

• Convert the fractions to have the same numerator

• Add or subtract the denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the first step in adding or subtracting fractions?

• Divide the denominators

• Add the numerators

• Multiply the numerators

• Find a common denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the process of finding a common denominator for fractions?

• Find the least common multiple (LCM) of the denominators

• Ensure the fractions have the same denominator

• Add or subtract the numerators

• Divide both the numerator and denominator by their greatest common divisor (GCD)

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the third step in adding or subtracting fractions?

• Add the numerators

• Multiply the numerators

• Divide the denominators

• Find a common denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What are the steps for subtracting fractions with a common denominator?

• Find a common numerator, subtract the denominators, simplify if necessary

• Find a common numerator, add the denominators, simplify if necessary

• Find a common denominator, subtract the numerators, simplify if necessary

• Find a common denominator, add the numerators, simplify if necessary

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the first step for adding or subtracting fractions?

• Add or subtract the numerators

• Ensure the fractions have the same denominator

• Simplify the resulting fraction

• Find a common denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What should be done after finding a common denominator?

• Multiply the denominators

• Add or subtract the numerators

• Multiply the numerators

• Divide the denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the second step for adding or subtracting fractions?

• Simplify the resulting fraction

• Find a common denominator

• Add or subtract the numerators

• Ensure the fractions have the same denominator

Tags

CCSS.7.NS.A.1C

How do you recognize when fractions have a common denominator?

• The fractions have different values

• The denominators are the same

• The numerators are the same

• The fractions have the same value

Tags

CCSS.3.NF.A.3D

What is the third step for adding or subtracting fractions?

• Add or subtract the numerators

• Find a common denominator

• Simplify the resulting fraction

• Ensure the fractions have the same denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D