[tex]0{,}4=\frac{4\div2}{10\div2}=\boxed{\frac{2}{5}}\\\\0{,}08=\frac{8\div4}{100\div4}=\boxed{\frac{2}{25}}\\\\0{,}15=\frac{15\div5}{100\div5}=\boxed{\frac{3}{20}}\\\\1{,}375=1\frac{375\div125}{1000\div125}=\boxed{1\frac{3}{8}}\\\\14{,}35=14\frac{35\div5}{100\div5}=\boxed{14\frac{7}{20}}\\\\0{,}84=\frac{84\div4}{100\div4}=\boxed{\frac{21}{25}}[/tex]
