[14/10+13-1/9+2/3]:1/5=
[14/10+12/9+2/3]:1/5=
Aducem ultimile fractii din paranteza la acelasi numitor:
[14/10+4/3+2/3]:1/5=
[14/10+6/3]:1/5=
Aducem din nou fractiile la acelasi numitor:
[42/30+60/30]:1/5=
102/30:1/5=
102/30•5/1=
Se simplifica 30 si 5 prin 5 si vine
102/6•1/1 sau 1=
102/6