Adding and Subtracting Fractions Like 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

• 9/7

• 2/3

• 3/2

• 7/9

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.5.NF.A.1

CCSS.5.NF.A.2

What part of adding and subtracting fractions do you still need help with?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

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

  How do you add two fractions with like denominators?

• Add the denominators; keep the numerators the same

• Add the numerators and add the denominators

• Add the numerators to the denominators

• Add the numerators and keep the like denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is 3/4 + 1/4 = ?

• 4/4 

• 0/4

• 2/4

• 1/2

Tags

CCSS.4.NF.B.3A

Kayla already had 3/9 of a pizza and Lille gave her 2/9 of a pizza. How much pizza does Kayla have now?

• 5

• 5/9

• 1/9

• 6/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D