Free Fraction Calculator
Add, subtract, multiply, or divide two fractions — no signup, nothing sent to a server.
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How to use the fraction calculator
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1
Enter the first fraction
Type the numerator and denominator for the first fraction.
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2
Choose an operation
Pick add, subtract, multiply, or divide from the dropdown.
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3
Enter the second fraction
Type the numerator and denominator for the second fraction.
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4
Read the result
The simplified fraction and its decimal equivalent update instantly as you type.
Example use cases
Homework & studying
Check fraction arithmetic for school assignments.
Cooking & recipes
Combine or adjust fractional ingredient measurements.
Construction & measurements
Work with fractional inches or measurements on the job.
Frequently asked questions
How do you add or subtract fractions?
Find a common denominator, adjust the numerators, then add or subtract them. This calculator does that automatically and simplifies the result.
How do you multiply or divide fractions?
To multiply, multiply the numerators and denominators directly. To divide, multiply by the reciprocal of the second fraction.
Does the result get simplified?
Yes, the answer is always reduced to its simplest form, alongside the equivalent decimal value.
Is anything I type sent to a server?
No. Every calculation runs entirely in your browser — nothing is transmitted or logged.