➗ Fraction Subtraction Calculator
Subtract one fraction from another.
Result
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How this calculator works
Subtract one fraction from another.
Formula
a/b-c/d=(ad-bc)/bd
Example
3/4 - 1/3 = 0.4167.
Frequently asked questions
What does the Fraction Subtraction Calculator do?
Subtract one fraction from another.
Are the results exact?
The calculator follows the displayed formula. Rounded display values may differ slightly from full-precision results.
Can I use negative or decimal values?
Most fields accept decimals and negative values when they make sense for the formula.
How should I check an important result?
Review the formula, verify your entries, and confirm high-stakes work with a qualified teacher or professional.