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Fraction Calculator
Add, subtract, multiply, or divide fractions. See simplified results and step-by-step working.
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What is a Fraction Calculator?
A fraction calculator performs arithmetic on fractions — numbers expressed as one integer divided by another (a numerator over a denominator). While basic addition and multiplication are straightforward with whole numbers, fraction arithmetic requires finding common denominators for addition and subtraction, and applying the cross-multiplication rule for division. Our calculator handles all four operations and automatically simplifies results to lowest terms.
How to Use the Fraction Calculator
- Girin numerator (top number) and denominator (bottom number) for each fraction.
- Select the operation: + (add), − (subtract), × (multiply), ÷ (divide).
- Results appear instantly: simplified fraction, decimal, and mixed number.
- Scroll down to see the step-by-step working.
Sıkça Sorulan Sorular
To add fractions, find the least common denominator (LCD), convert each fraction to an equivalent fraction with the LCD, then add the numerators. For example: 1/4 + 1/6 → LCD is 12 → 3/12 + 2/12 = 5/12.
Divide both the numerator and denominator by their Greatest Common Divisor (GCD). For example, 8/12 — the GCD of 8 and 12 is 4, so 8÷4=2 and 12÷4=3, giving 2/3.
To divide fractions, multiply the first fraction by the reciprocal of the second. Flip the second fraction (swap numerator and denominator) and multiply. Example: 2/3 ÷ 4/5 = 2/3 × 5/4 = 10/12 = 5/6.
Divide the numerator by the denominator. For example, 3/4 = 3 ÷ 4 = 0.75. Some fractions produce repeating decimals: 1/3 = 0.333... In this case we show the decimal rounded to 6 decimal places.
Kısa Bilgiler
- ✓ All four operations (+, −, ×, ÷)
- ✓ Auto-simplifies to lowest terms
- ✓ Shows mixed number output
- ✓ Step-by-step working shown
- ✓ 100% free, no login needed