1/5=
1/8=
3/16=
7/20=
źródło:
\frac{1}{5}=\frac{20}{100}=0,20=0,2
\frac{1}{8}=\frac{125}{1000}=0,125
\frac{3}{16}=\frac{1875}{10000}=0,1875
\frac{7}{20}=\frac{35}{100}=0,35