tolong yg ngerti jwb no 7-9 thank you

7. diubah menjadi pecahan desimal
2/5 = 0.4
8/6 = 1,33
1,85
3/4 = 0,75
80% = 0.8
terkecil 2/5, 3/4, 80%, 8/6, 1,85
8. B
9. D