Adding and Subtracting Uncommon Fractions

Match the following

• PEMDAS

• simplifying fractions

• KCF

• adding and subtracting fractions

• LCM

• dividing fractions

• GCF

• order of operations

• LCM

• comparing and ordering fractions

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.5.NF.A.1

CCSS.5.NF.A.2

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 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

• 7/20

• 3/12

• 3/10

• 7/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 3/10

• 5/10

• 5/7

• 1 3/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2