d)3/2+5:(12/5+0,(3))
3/2+5:(12/5+3/9)(amplificam 12/5 cu 9 si 3/9 cu 5)
3/2+5:(108+15/45)
3/2+5:123/45(simplificam 123/45 cu 3)
3/2+5:41/15=3/2+5•15/41=3/2+75/41(amplificam 3/2 cu 41 si 75/51 cu 2)
123/82+150/82=273/82
