A walkthrough, end to end.
- 1
Enter each mixed number as whole, numerator, denominator (whole part can be 0).
- 2
Pick add, subtract, multiply, or divide.
- 3
See the answer as a simplified mixed number, improper fraction, and decimal.
Mixed numbers
A mixed number a b/c equals (a×c + b)/c as an improper fraction. After arithmetic, the result is reduced and converted back to mixed form.
What you can do with this.
Cooking measurements
Add 1 1/2 cups + 2 3/4 cups quickly.
Carpentry & woodworking
Combine fractional inches without manual conversion.
Schoolwork
Verify mixed-number arithmetic step by step.
Sewing patterns
Add seam allowances expressed in fractions of inches.
Recipe scaling
Multiply or divide mixed-number quantities by a scale factor.
Construction layouts
Mix-fraction arithmetic in feet-and-inches notation.
Test prep
Practice and verify on standardized math problems.
Mixed numbers 2026 — what's current
Foundational arithmetic; calculator wins for instant simplification.
Frequently asked.
Yes — put the sign on the whole part.
Use 0 for the fraction part.
No. Calculations run in your browser.
Numerator and denominator are divided by their GCD.