[tex]p\%=\frac{p}{100}\\\\\frac{1}{2}\%=\frac{\frac{1}{2}}{100}=\frac{1}{2}\cdot\frac{1}{100}=\boxed{\frac{1}{200}}\\\\50\%=\frac{50}{100}=\frac{5}{10}=\boxed{\frac{1}{2}}\\\\\frac{1}{200}\neq\frac{1}{2}\\\\threfore\ the\ answer:\boxed{\frac{1}{2}\%\neq50\%\to\frac{1}{2}\%\ is\ not\ equal\ 50\%}[/tex]
