Question

simplify this question
​

Answer 1

Answer:

-40/3

Step-by-step explanation:

=1/(8^-1-5^-1)

=1/(1/8-1/5)

=1/(-3/40)

=-40/3

Answer 2

Answer:

$(( {8})^{ - 1} - ( {5})^{ - 1} )^{ - 1} \\ \\ (\frac{1}{8} - \frac{1}{5} ) ^{ - 1} \\ \\ ( \frac{5 - 8}{40} ) ^{ - 1} \\ \\ (\frac{ - 3}{40} ) ^{ - 1} \\ \\ (\frac{40}{ - 3} ) ^{ 1} \\ \\ - \frac{40}{3}$