Add, subtract, multiply and divide fractions instantly. Supports mixed numbers and shows step-by-step working.
Enter a fraction or mixed number (e.g. 2 4/8) to reduce to lowest terms.
Type any expression mixing decimals and fractions — e.g. 0.75 + 1/2 or 2/3 × 0.5 − 1/4
Supported operators: + − × * ÷ /
Our fraction calculator handles all basic fraction operations. Enter the numerators and denominators, choose your operation, and click Calculate. Results are shown in simplified form with the decimal equivalent and optional step-by-step working.
To add fractions, find the least common denominator (LCD). The calculator does this automatically, converts both fractions, then adds the numerators. Example: 1/4 + 1/6 = 3/12 + 2/12 = 5/12.
Subtraction works like addition — find the LCD, convert, then subtract the numerators. Results are automatically simplified.
Multiply numerators together and denominators together: (a/b) × (c/d) = (a×c)/(b×d), then simplify.
Dividing by a fraction equals multiplying by its reciprocal: (a/b) ÷ (c/d) = (a/b) × (d/c).