OpenStax, Elementary Algebra 2e §8.4 Add and Subtract Rational Expressions with Unlike Denominators · Exercise 5 · Algebra · Rational expressions

Add and Subtract Rational Expressions with Unlike Denominators · Exercise 5

Find the LCD.

$\frac{4}{b ^{2} + 6 b + 9}, \frac{2 b}{b ^{2} - 2 b - 15}$

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OpenStax, Elementary Algebra 2e · §8.4 Add and Subtract Rational Expressions with Unlike Denominators · Exercise 5

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Checked against the answer in OpenStax, Elementary Algebra 2e.