Least Common Denominator Calculator

Paste fractions to calculate the LCD and rewrite every fraction with that common denominator.

Fractions (one per line or comma-separated)

24Least common denominator

How to use this Least Common Denominator Calculator

Find the least common denominator of two or more fractions. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.