Fraction Calculator
Add, subtract, multiply and divide fractions with step-by-step solutions and simplification.
Supports: 3/4, 1 2/3 (mixed), 5 (whole), or a decimal like 0.75
Parsed: 3/4 = 0.75
Parsed: 1/3 = 0.333333
Result
1312
= 1 1/12≈ 1.0833333Step-by-Step
3/4 + 1/3
LCD = 12
3/4 = 9/12
1/3 = 4/12
= 13/12
= 13/12
Fraction A (simplified)
34
≈ 0.75Fraction B (simplified)
13
≈ 0.33333333FractionsSimplifyMixed NumbersLCDArithmetic
A fraction calculator that handles addition, subtraction, multiplication and division of fractions — including mixed numbers and decimals — with full step-by-step working.
Key Features
Mixed Number Support
Enter mixed numbers like "1 2/3", simple fractions like "3/4", whole numbers, or decimals — all are auto-parsed.
Four Operations
Add, subtract, multiply and divide any two fractions with results shown as a simplified fraction and mixed number.
Step-by-Step
Shows the LCD method for addition/subtraction, the reciprocal method for division, and simplification steps.
Auto-Simplification
Results are always reduced to lowest terms using the GCD.
Decimal Conversion
Every result also shows the decimal equivalent.
How to Use
- 1Type a fraction in each input — e.g. "3/4", "1 2/3", or "0.5".
- 2Select the operation (+, −, ×, ÷).
- 3The result and step-by-step working appear instantly.