Adding Mixed Numbers with Uncommon Denominators

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 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

Add the mixed fractions with unlike denominators: \(3\frac{1}{2} + 2\frac{3}{8}\)

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum?

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Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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