[tex]\frac{1}{5} =\frac{2}{10}= 0.2\\[/tex]
[tex]\frac{4}{5} = \frac{8}{10}= 0.8[/tex]
[tex]\frac{1}{4} =\frac{25}{100}= 0.25[/tex]
[tex]\frac{3}{4}= \frac{75}{100}= 0.75[/tex]
[tex]\frac{1}{8} = \frac{125}{1000} = 0,125[/tex]
[tex]\frac{7}{8} =\frac{875}{1000} = 0,875[/tex]
[tex]\frac{1}{20} =\frac{5}{100} =0,05[/tex]
[tex]\frac{12}{250} = \frac{12: 2}{250: 2} = \frac{6}{125}= \frac{48}{1000}= 0,048[/tex]