0,2=2/10=1/5
1/5/37/10= 1/5 * 10/37= 2/37
2 intregi 2/3= 8/3
3,5=3 intregi 5/10= 3 intregi 1/2= 7/2
2/37= x/30 * (8/3+7/2) aducem la acelasi numitor in (...)
2/37 =x/30 * (16+21)/6
2/37 =x/30 * 37/6
2/37= 37x/30*6
2/37= 37x/180
37x= 180*2/37
x= 180*2/37/37
x=360/1369
