tolong dijawab kak!!pakai cara yaa..makasih

1.] 8 1/5 - 6/10 = 8 2/10 - 6/10 = 7 12/10 - 6/10 = 7 6/10 = 7 3/5
2.] 3 2/5 - 3/14 = 3 28/70 - 15/70 = 3 13/70
3.] 9 2/4 - 5 2/6 = 9 6/12 - 5 4/12 = 4 2/12 = 4 1/6
4.] 8 3/10 - 4 6/8 = 8 12/40 - 4 30/40 = 7 52/40 - 4 30/40 = 3 22/40 = 3 11/20
5.] 11 4/10 - 7 3/15 = 11 12/30 - 7 6/30 = 6 6/30 = 6 1/5