a.0,45=45/100 se simplifica=9/20
b.3,75=375/100=idem=15/4
c.-54,375=-54375/1000=idem=-435/8
d.327,955=327955/1000=idem=65591/200
e.-4,(6)=-(46-4)/9=-42/9 se simplifica=-14/3
f.-32,(27)=-(3227-32)/99=-3195/99= idem=-1065/33=-355/11
g.2,1(6)=216-21/90=195/90=idem=13/6
h.-0,58(3)=-(583-58)/900=--525/900=idem=-7/12