Addition and subtraction of rational expressions calculator

This calculator performs addition and subtraction of algebraic fractions. It shows the work and provides a thorough explanation.

Add and subtract rational expressions

Input an expressions of the form $ \frac{A}{B} $ and select an operation.
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Enter First Rational Expression

Enter Second Rational Expression

Choose an operation:

Add Expressions

Subtract Expressions

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Examples

ex 1:

$\dfrac{x + 5}{x - 3} + \dfrac{x}{x + 2}$

ex 2:

$\dfrac{x+1}{x - 4} - \dfrac{x + 1}{x^2-7x+12}$

ex 3:

$\dfrac{x-1}{x^2 +3x +2} + \dfrac{x + 5}{x^2+4x+3}$

ex 4:

$\dfrac{x}{x^2 +9x + 20} - \dfrac{4}{x^2+7x+12}$

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RESOURCES

1. Adding and subtracting — expressions with like denominators

2. Adding and Subtracting — expressions with unlike denominators

3. Add and Subtract — expressions with unlike denominators

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