4 2/3-1 1/5+2 3/4 lengkap dgn caranya dan di sederhanakan hasilnya

42/3-11/5=kpk 3,5=15
15:3+42=47
15:5+11=14
47/15-14/15=33/15+23/4 =kpk 15,4=60
60:15+33=37
60:4+23=38
37/60+38/60=75/60=15/12= 1 3/12