Question

Evaluate the following expression and express the answer as a rational number in its standard form.
(3^-1+2^-1+5)^-1

Answer 1

Step-by-step explanation:

$(\frac{1}{3} + \frac{1}{2} + 5) { }^{ - 1} \\ ( \frac{2 + 3 + 30}{6}) {}^{ - 1} \\ ( \frac{35}{6}) {}^{ - 1} \\ \frac{6}{35}$