How does fraction simplification work?

The result is divided by the greatest common factor (GCF) of the numerator and denominator to reduce it to lowest terms.

Can I enter negative fractions?

Yes. Use a negative numerator or denominator. The calculator normalises the sign to the numerator.

Division by zero is undefined. The calculator will show 'undefined' for any fraction with a zero denominator.

Add, subtract, multiply, or divide two fractions. Results are automatically simplified and shown as a fraction and decimal.

1
Enter the first fraction
Type the numerator and denominator for the first fraction.
2
Choose an operation
Select add, subtract, multiply, or divide.
3
Enter the second fraction
Type the numerator and denominator for the second fraction.

How does fraction simplification work?: The result is divided by the greatest common factor (GCF) of the numerator and denominator to reduce it to lowest terms.
Can I enter negative fractions?: Yes. Use a negative numerator or denominator. The calculator normalises the sign to the numerator.
What if the denominator is zero?: Division by zero is undefined. The calculator will show 'undefined' for any fraction with a zero denominator.

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