[tex] \frac{7}{10}=0,7 \\ \\ \frac{23}{100} = {0,23} \\ \\ -\frac{19}{1000} =-0,019 \\ \\ \frac{4}{5} =0,8 \\ \\ - \frac{5}{2} =-2,5 \\ \\ \frac{13}{25} =0,52 \\ \\ - \frac{9}{4} =-2,25 \\ \\ \frac{2}{3} =0,(6) \\ \\ - \frac{5}{6} =-0,8(3) \\ \\ \frac{7}{15} =0,4(6)[/tex]