Solve for: -(1)/(2)-(2)/(5)

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Expression: $-\frac{ 1 }{ 2 }-\frac{ 2 }{ 5 }$

Write all numerators above the least common denominator $10$

$-\frac{ 5+4 }{ 10 }$

Add the numbers

$\begin{align*}&-\frac{ 9 }{ 10 } \\&-0.9\end{align*}$

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