[tex]p\%=\dfrac{p}{100}\\\\140\%=\dfrac{140}{100}=\dfrac{14}{10}=\dfrac{14:2}{10:2}=\dfrac{7}{5}=1\dfrac{2}{5}\\\\12.5\%=\dfrac{12.5}{100}=\dfrac{125}{1000}=\dfrac{1}{8}\\\\0.6\%=\dfrac{0.6}{100}=\dfrac{6}{1000}=\dfrac{6:2}{1000:2}=\dfrac{3}{500}[/tex]