Answer
$2$
Work Step by Step
Cancel the common factor $3$ to obtain:
$\require{cancel}
\\\cancel{3}\cdot \dfrac{5}{\cancel{6}2}-\dfrac{1}{2}
\\=\dfrac{5}{2} - \dfrac{1}{2}$
The fractions are similar, so perform the subtraction to obtain:
$=\dfrac{5-1}{2}
\\=\dfrac{4}{2}
\\=2$