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Addition and subtraction of rational expressions calculator

This calculator performs addition and subtraction of algebraic fractions.

Add and Subtract Rational Expressions calculator
Input two expressions of the for $\frac{A}{B}$ and choose an operation
show help ↓↓ examples ↓↓
Enter First Rational Expression
Enter Second Rational Expression
Add Expressions (default)
Subtract Expressions

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examples
example 1:ex 1:
$$\frac{x + 5}{x - 3} + \frac{x}{x + 2}$$
example 2:ex 2:
$$\frac{x+1}{x - 4} - \frac{x + 1}{x^2-7x+12}$$
example 3:ex 3:
$$\frac{x-1}{x^2 +3x +2} + \frac{x + 5}{x^2+4x+3}$$
example 4:ex 4:
$$\frac{x}{x^2 +9x + 20} - \frac{4}{x^2+7x+12}$$
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