Solve for: (3)/(4)-(1)/(10)

Expression: $\frac{ 3 }{ 4 }-\frac{ 1 }{ 10 }$

Write all numerators above the least common denominator $20$

$\frac{ 15-2 }{ 20 }$

Subtract the numbers

$\begin{align*}&\frac{ 13 }{ 20 } \\&0.65\end{align*}$