Fraction Common Denominator

The ____________________ is a common multiple of two or more denominators.

• equivalent

• simplest fraction

• common denominator

• mixed number

Whatever I do to the denominator, I must also do to the numerator when making equivalent fractions.

• true

• false

The _____________ is the top number of a fraction.

• quotient

• denominator

• factor

• numerator

The ____________ is the bottom number of a fraction.

• numerator

• denominator

• dividend

• product

Which fraction is smaller: $rac{1}{3}$ or $rac{2}{5}$? Use a common denominator to compare.

• $rac{1}{3}$

• $rac{2}{5}$

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

You must find the ​ (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

Find a common denominator for the fractions $rac{2}{3}$ and $rac{3}{4}$.

• 6

• 9

• 12

• 15

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

What is the common denominator?

Find a common denominator for the fractions $rac{1}{4}$ and $rac{2}{5}$.

• 10

• 15

• 20

• 25

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

What number would you use as the common denominator?

• 12

• 16

• 24

• 6