Super Teacher Worksheets Homepage

Least Common Denominator - LCD

This page has printable worksheets on finding the Least Common Denominator, LCD, or Lowest Common Denominator.

Least Common Denominator - Worksheets
Calculate the least common denominator for each pair of fractions. This worksheet has 9 problems.
4th and 5th Grades
Common Core
View Available Versions
Preview File
Members can add this to their file cabinet
This file contains 30 task cards (4 per page). Each one has 2 fractions on it. Students find the LCD.
4th and 5th Grades
See also:
Adding Fractions

Practice using LCD to add fractions with unlike denominators.

Subtracting Fractions

Subtract fractions and mixed numbers with unlike denominators.

Least Common Multiples (LCM)

Finding the Least Common Multiple (LCM) is very a similar skill to finding Least Common Denominator (LCD).

Please Log In to Super Teacher Worksheets
Can't remember your password?
Not a member yet? Join Today!
Become a Member
Social Media
Follow Us
Become a Member
Not a Member?
For complete access to thousands of printable lessons click the button or the link below.
© 2022 Super Teacher Worksheets

PDF with answer key:

PDF no answer key:

Common Core Alignment