Fraction Arithmetic
MATHEMATICS
Fraction Arithmetic
Add, subtract, multiply or divide two fractions.
UNDERSTAND YOUR RESULT
How it works
Add, subtract, multiply or divide two fractions.
THE CALCULATIONcombine the fractions, then reduce by their GCD
Using this calculator
Enter first numerator, first denominator, operation, second numerator, second denominator. combine the fractions, then reduce by their GCD.
What to keep in mind
Calculations use finite real numbers. Intermediate values are unrounded; very large or undefined results are rejected.
Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.