Mathematical formulas

Algebra

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Subjects
Algebra
Rational expressions and partial fractions
Sum of algebraic fractions

6. Rational expressions and partial fractions

Sum of algebraic fractions

Level: fundamental

In 6. Rational expressions and partial fractions

Formula

\frac{a}{b} + \frac{c}{d} = \frac{a d + b c}{b d}

Detail

Addition via a common denominator.

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Product and division of fractions
$\frac{a}{b} \frac{c}{d} = \frac{a c}{b d}; \frac{a / b}{c / d} = \frac{a d}{b c}$
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