Simple vs mixed number mode
Simple mode handles fractions like ¾. Mixed number mode adds a whole-number part, like 2¾ (two and three-quarters) — common in cooking measurements, woodworking, and everyday fraction problems. Behind the scenes, mixed numbers are converted to improper fractions before calculating.
How fraction operations work
Adding or subtracting requires a common denominator first, then combining numerators. Multiplying is direct — numerators together, denominators together. Dividing means multiplying by the reciprocal of the second fraction.
Automatic simplification
Results are automatically reduced to lowest terms using the greatest common divisor, and converted back to mixed number form when the result is an improper fraction (like 7/4 becoming 1¾).
Frequently asked questions
Can I enter negative mixed numbers? Yes — enter a negative whole number part (like -2) to represent a negative mixed number.
What if my denominator is 0? Division by zero is undefined — the calculator will show an error for that input.