How do I add fractions with different denominators?

Find the least common denominator (LCD), convert both fractions to equivalent fractions with the LCD, add the numerators, and simplify. The calculator does all of this automatically and shows each step.

Can I enter mixed numbers like 3 1/2?

Yes. Enter the whole number followed by a space and the fraction. The calculator converts mixed numbers to improper fractions internally and returns the result in both simplified improper fraction and mixed number form.

Does the calculator simplify the result?

Yes. Every result is automatically reduced to lowest terms by dividing both the numerator and denominator by their greatest common divisor. The GCD used is shown in the step-by-step breakdown.

What happens if I divide by a fraction equal to zero?

The calculator detects division by zero and displays an error message. In mathematics, division by zero is undefined, so the tool prevents the invalid computation rather than returning an incorrect result.

Can I use the calculator for negative fractions?

Yes. Enter a negative sign before the numerator or the whole number part. The calculator handles negative fractions correctly, following the standard rules for signed arithmetic.

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Fraction Calculator

To add fractions with different denominators, find the least common denominator, convert both fractions, add the numerators, and simplify. Our free fraction calculator performs all four operations — add, subtract, multiply, divide — with step-by-step solutions and automatic simplification.

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What is Fraction Calculator?

A fraction calculator is an online tool that performs arithmetic operations (addition, subtraction, multiplication, and division) on proper fractions, improper fractions, and mixed numbers, returning simplified results with step-by-step working.

Complementary Tools

These tools work great alongside Fraction Calculator:

Percentage Calculator Scientific Calculator

Start Using Fraction Calculator Today

Fraction arithmetic is where simple math gets surprisingly tricky — common denominators, mixed number conversions, and simplification each introduce opportunities for error. This free fraction calculator handles every step automatically and shows you the work, so you get the right answer and understand how to get there on your own.

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