Question

Reprezinta fiecare din urmatoarele numere rationale printr-o fractie ordinara ireductibila
a)0,75 ; 1,4 ; 2,025; 0,008; 1,(3); 2,(06); 0,(405); 1,6060.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

0,75=75/100=3/4 (se simplifica prin 25)
1,4=14/10=7/5 (dupa simplificare prin 2)
2,025=2025/1000=81/40
0,008=8/1000=1/125
1,(3)=13-1/9=12/9=4/3
2,(06)=206-2/99=204/99=68/33
0,(405)=405/999=45/111=15/37
1606/100=803/50