Free Fraction Calculator

Add, subtract, multiply, and divide two fractions. Enter the numerators and denominators to see the results.

Sum Decimal

0.583333

Sum Numerator7
Sum Denominator12
Difference Numerator1
Difference Denominator12
Difference Decimal0.083333
Product Numerator1
Product Denominator12
Product Decimal0.083333
Quotient Numerator4
Quotient Denominator3
Quotient Decimal1.333333

How to Calculate with Fractions

Addition

a/b + c/d = (a×d + b×c) / (b×d)

Subtraction

a/b - c/d = (a×d - b×c) / (b×d)

Multiplication

a/b × c/d = (a×c) / (b×d)

Division

a/b ÷ c/d = (a×d) / (b×c)

Results may need to be simplified by dividing both numerator and denominator by their greatest common factor.

Example Calculation

Calculate 1/3 + 1/4, 1/3 - 1/4, 1/3 × 1/4, and 1/3 ÷ 1/4.

  1. 01Sum: (1×4 + 3×1) / (3×4) = 7/12 ≈ 0.583333
  2. 02Difference: (1×4 - 3×1) / (3×4) = 1/12 ≈ 0.083333
  3. 03Product: (1×1) / (3×4) = 1/12 ≈ 0.083333
  4. 04Quotient: (1×4) / (3×1) = 4/3 ≈ 1.333333

Frequently Asked Questions

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