Пожалуйста номер 1237

[latex]3 \frac{1}{20} =3 \frac{1*5}{20*5} =3 \frac{5}{100} =3,05 \\ \\ \\ 2 \frac{3}{50} =2 \frac{3*2}{50*2} =2\frac{6}{100} =2,06 \\ \\ \\ 4 \frac{8}{25} =4 \frac{8*4}{25*4} =4 \frac{32}{100} =4,32 \\ \\ \\ 7 \frac{11}{20} =7 \frac{11*5}{20*5} =7 \frac{55}{100} =7,55 \\ \\ \\ 12 \frac{4}{25} =12 \frac{4*4}{25*4} =12 \frac{16}{100} =12,16 \\ \\ \\ 9 \frac{13}{50} =9 \frac{13*2}{50*2} =9 \frac{26}{100} =9,26[/latex]