Answer
$\frac{19}{20}$
Work Step by Step
$\frac{6}{5}-\frac{3}{4} +\frac{1}{2}$
The LCD is 20
$\frac{6}{5}\times\frac{4}{4}-\frac{3}{4}\times\frac{5}{5}+\frac{1}{2}\times\frac{10}{10}$
$\frac{24}{20}-\frac{15}{20}+\frac{10}{20}$
$\frac{24-15+10}{20}$
$\frac{19}{20}$