Adding and Subtracting Fractions with Like Denominators

Why do fractions need to have a common denominator when being added or subtracted?

• To change the value of fractions

• Because it's a traditional method

• To make the fractions larger

• To simplify the calculation process

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What happens to the denominator in the answer when adding fractions with a common denominator?

• It becomes the sum of the denominators

• It is multiplied by 2

• It remains unchanged

• It is reduced to its lowest term

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you find the numerator in the answer when adding fractions with a common denominator?

• Add the numerators

• Subtract the numerators

• Multiply the numerators

• Divide the numerators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the denominator of the answer when adding or subtracting fractions with a common denominator?

• The lowest term of the denominators

• The product of the denominators

• The sum of the denominators

• The same as the common denominator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What should you do if the resulting fraction from subtraction can be reduced?

• Multiply it by the denominator

• Convert it to a mixed number

• Leave it as is

• Reduce it to its lowest terms

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When subtracting fractions with common denominators, what operation is performed on the numerators?

• They are divided

• They are multiplied

• They are added

• They are subtracted

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

If you have a fraction like 6/15 after subtraction, to what should you reduce it?

• 1/3

• 2/3

• 2/5

• 3/5

How do you convert an improper fraction to a mixed number?

• Multiply the numerator by the denominator

• Divide the numerator by the denominator and find the remainder

• Subtract the denominator from the numerator

• Add the numerator to the denominator

What is the final step in adding fractions when the sum is an improper fraction?

• Reducing it to its lowest terms

• Leaving it as an improper fraction

• Converting it to a mixed number

• Multiplying it by 2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

In the model representation, what does a filled circle represent when adding fractions?

• The numerator

• The denominator

• A whole number

• An improper fraction

Tags

CCSS.4.NF.B.3A