Simplify the following expression. $- \frac { 2 } { 8 } - \left( - \frac { 2 } { 9 } \right) + \frac { 2 } { 10 }$

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First, simplify the expression: $- \frac { 2 } { 8 } - \left( - \frac { 2 } { 9 } \right) + \frac { 2 } { 10 } = - \frac { 1 } { 4 } + \frac { 2 } { 9 } + \frac { 1 } { 5 }$. To add these fractions, find a common denominator, which is 180. The expression becomes $- \frac { 45 } { 180 } + \frac { 40 } { 180 } + \frac { 36 } { 180 } = \frac { 31 } { 180 }$.

Simplify the Following Expression −28−(−29)+210- \frac { 2 } { 8 } - \left( - \frac { 2 } { 9 } \right) + \frac { 2 } { 10 }−82​−(−92​)+102​

Simplify the Following Expression $- \frac { 2 } { 8 } - \left( - \frac { 2 } { 9 } \right) + \frac { 2 } { 10 }$