Question

simplify 4/p+q - 5r/3(p+q)

Answer 1

$\frac{4}{p + q} - \frac{5r}{3(p + q)} \\ lcm \: of \: denominators = 3(p + q) \\ therefore \\ \frac{4(3)}{3(p + q)} - \frac{5r}{3(p + q)} \\ = \frac{12 - 5r}{3(p + q)}$
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