Calculate fractions
Add, subtract, multiply or divide fractions exactly, then simplify the result.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Enter integer numerators and nonzero integer denominators. The simplified numerator and denominator are returned as exact strings.
Limits and behavior
Integers are limited to ±10^9. Exact fraction arithmetic uses BigInt; the decimal approximation uses 12 significant digits and an absolute maximum of 10^15. Division by a zero fraction is rejected. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Calculate arithmetic with fractions
Enter supported fractions to add, subtract, multiply or divide and reduce the result to simplest terms.
Can division by a zero fraction work?
No. Dividing by zero is undefined, and the tool should reject it.
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