LCD Calculator - Least Common Denominator - Multi-Tools

LCD Calculator

Find the Least Common Denominator (LCD) of multiple fractions.

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How to Find the Least Common Denominator

The Least Common Denominator (LCD) is the smallest number that is a multiple of all denominators.

Steps to find the LCD:

  1. Find the prime factorization of each denominator
  2. Take the highest power of each prime factor
  3. Multiply these prime factors together

Example:

  • For 1/4 and 1/6:
  • 4 = 2²
  • 6 = 2 × 3
  • LCD = 2² × 3 = 12

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