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A quick way to understand who this helps, what it solves, and where it connects next.
Students working with fractions and mixed numbers.
Using the fraction calculator without installing anything or signing up.
Capture fraction-calculator intent with a fast, browser-side tool that runs 100% locally.
Cleanor Labs
These sections explain the job in plain language and set expectations for what the tool should do well.
This fraction calculator works with two fractions and any of the four operations. Each fraction has an optional whole-number box, so you can enter proper fractions, improper fractions or mixed numbers, and negatives are supported. The result is shown reduced to lowest terms, as a mixed number and as a decimal, and the tool lays out the steps it took: finding a common denominator, combining the numerators, multiplying across or multiplying by the reciprocal, then dividing top and bottom by their greatest common divisor. It is a quick way to check homework or re-derive a calculation, and it runs entirely in your browser.
Short answers for the questions people usually have before trying a utility like this.
Yes. Each fraction has a whole-number box; leave it blank for a simple fraction, or enter a value such as 2 with 1/3 to work with the mixed number 2 1/3. Use a negative whole number for a negative mixed number.
Yes. For every operation it lists the steps: the common denominator or reciprocal used, the combined fraction and how it was simplified by the greatest common divisor.
A denominator of zero is undefined, so the tool shows a friendly error instead of a result, and it also blocks dividing by a fraction that equals zero.
Every tool on Cleanor is free with no sign-up, no credits, and no limits. Files are processed privately in your browser. Looking for on-device phone cleanup and Premium features? That lives in the Cleanor app.
Add, subtract, multiply or divide two fractions (with optional whole parts) and see the reduced result, decimal and steps. Runs live in your browser.
Leave the whole box blank for a simple fraction. Use a negative whole number for a negative mixed number.
Calculated locally in your browser.