Evaluate: (1)/(18)+(7)/(18)

Expression: $\frac{ 1 }{ 18 }+\frac{ 7 }{ 18 }$

Write all numerators above the common denominator

$\frac{ 1+7 }{ 18 }$

Add the numbers

$\frac{ 8 }{ 18 }$

Cancel out the common factor $2$

$\begin{align*}&\frac{ 4 }{ 9 } \\&\begin{array} { l }0.\overset{ \cdot }{ 4 } ,& {\left( \frac{ 2 }{ 3 } \right)}^{2}\end{array}\end{align*}$