Common Denominator Fractions

Which fraction is larger: $\frac{2}{5}$ or $\frac{3}{7}$? Use a common denominator to compare.

• $\frac{2}{5}$

• $\frac{3}{7}$

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

Which 2 expressions​ do you need to find Common Denominators for?​ (a)   ​ (b)  

Match the following fractions with the correct common denominator.

• 6

• 10

• 24

• 14

Which fraction is larger: $\frac{3}{8}$ or $\frac{4}{9}$? Use a common denominator to compare.

• $\frac{3}{8}$

• $\frac{4}{9}$

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

Which fraction is larger: $rac{2}{5}$ or $rac{3}{7}$? Use a common denominator to compare.

• $\frac{2}{5}$

• $\frac{3}{7}$

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

Which fraction is larger: $\frac{5}{6}$ or $\frac{7}{8}$? Use a common denominator to compare.

• $\frac{5}{6}$

• $\frac{7}{8}$

Tags

DOK Level 2: Skill/Concept

CCSS.4.NF.A.2

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

The number BELOW the fraction bar

• Fraction

• Numerator

• Denominator

• Equivalent Fraction