Least Common Denominator
Result
LCD (Least Common Denominator)12
Multiply 1st fraction by3
Multiply 2nd fraction by2
↗ Math
Least Common Denominator — free online calculator.
Formula
LCD = (d1 × d2) / GCD(d1, d2); Same as LCM for denominators
- Least Common Denominator calculates its result from D1, D2, Gcd. It uses the formula LCD = (d1 × d2) / GCD(d1, d2); Same as LCM for denominators. Change any input to recalculate the result instantly.
- The main inputs are First Denominator, Second Denominator. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Least Common Denominator
Inputs
- First Denominator: 4
- Second Denominator: 6
Using D1 = 2, D2 = 3, Gcd = 4, the calculated result is 1.5.
Sample result: Calculating…
Frequently asked questions
What does the Least Common Denominator calculate?
Least Common Denominator — free online calculator.
Which values should I enter?
Enter First Denominator, Second Denominator using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: LCD = (d1 × d2) / GCD(d1, d2); Same as LCM for denominators.
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.