2,8(604) =(28604-28)/9990=28576/9990=simplificam=14288/4995
13,175 =13175/1000=2635/200=527/40
0,0(8)=8/90=4/45
4,22(3) =(4223-422)/900=3801/900=1267/300
0,0040 =4/1000=2/500=1/250
0,232323=232323/1000000
3,20(1)=(3201-320)/900=2881/900
25,(25) =(2525-25)/99=2500/99
0,4(14)=(414-4)/990=410/990=205/495=41/99