Fraction Calculator
Perform addition, subtraction, multiplication, and division of fractions with instant simplification and decimal conversion.
Calculated Result
0/0
Decimal: 0.00
How to Use
1. Enter the Numerator (top number) and Denominator (bottom number) for both fractions.
2. Select the mathematical operation you wish to perform ($+$, $-$, $\times$, or $\div$).
3. Click Calculate. The tool will automatically find a common denominator, perform the math, and reduce the final fraction to its simplest form.
Frequently Asked Questions
What is a Numerator and a Denominator? +
The Numerator is the top number of a fraction; it tells you how many parts you have. The Denominator is the bottom number; it tells you how many equal parts the whole is divided into.
How do you divide fractions? +
To divide two fractions, you use the "Keep-Change-Flip" method. Keep the first fraction, change the division sign to multiplication, and flip the second fraction (find its reciprocal). Then, multiply the numerators and denominators.
What is "simplifying" a fraction? +
Simplifying (or reducing) a fraction means dividing both the numerator and denominator by their Greatest Common Divisor (GCD) until they can no longer be divided by the same whole number. For example, $4/8$ simplifies to $1/2$.
Can the denominator be zero? +
No. Division by zero is undefined in mathematics. A fraction with a denominator of zero is mathematically impossible.
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