📐 Math

LCM Calculator

Calculate the Least Common Multiple (LCM) of two or more numbers. The LCM is the smallest positive integer that is perfectly divisible by each of the given numbers.

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Formula

LCM(a, b) = (|a × b|) / GCF(a, b)

Example

Finding the LCM of 4 and 6

Calculate the lowest common multiple.

  1. List multiples of 4: 4, 8, 12, 16, 20...
  2. List multiples of 6: 6, 12, 18, 24...
  3. Find the smallest number that appears in both lists.
  4. Result: 12.

Frequently Asked Questions

To add or subtract fractions with different denominators, you must find a common denominator. The LCM of the denominators is the Lowest Common Denominator (LCD), which keeps the numbers as small and manageable as possible.

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