Lowest Common Denominator Calculator
MathFind the lowest common denominator of two fractions and see them rewritten over that shared denominator.
Lowest common denominator
The smallest number both denominators divide into evenly
Fraction 1 rewritten
18/30
The first fraction rewritten over the lowest common denominator
Fraction 2 rewritten
25/30
The second fraction rewritten over the lowest common denominator
Found this calculator useful?
From Scratch To $10K/Month In 60 Days
This is a proven money making system that takes students by the hand to make at least $10,000 per month, every month. Students get 12 weeks of guided coaching in addition to the "MPS Super Funnel" and tools.
We value your privacy and promise not to sell or misuse your information. Here's our privacy policy.
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Math calculators
Frequently Asked Questions
Is the lowest common denominator different from the least common denominator?
No, lowest common denominator and least common denominator describe the exact same value and are used interchangeably.
What is the lowest common denominator of 3/5 and 5/6?
The lowest common denominator of 3/5 and 5/6 is 30.
What happens if the two denominators share no common factor?
When two denominators share no common factor other than 1, their lowest common denominator is simply their product.
Spot a mistake? Tell us what's wrong.
Request a calculator. The most-requested ones get built first in our monthly batch.
Request a calculatorWant this calculator on your website?
Embed the Lowest Common Denominator Calculator on any site — no code needed. Customize colors, remove branding, and track usage.
