[tex]0,12 = \frac{12}{100} = \frac{3}{25}\\\\0,4 = \frac{4}{10} = \frac{2}{5}\\\\2,7 = \frac{27}{10} =2\frac{7}{10}\\\\0,048 = \frac{48}{1000} = \frac{6}{125}\\\\75,49 = \frac{7549}{100} = 75\frac{49}{100}\\\\20,01 = \frac{2001}{100} = 20\frac{1}{100}[/tex]
