1. hasil dari 3 2/5-625%= 2.) 3,015+1 7/8+35%= 3).2,13-22%-7/40=

1) 3 2/5 - 625persen = .....
3 2/5 - 625/100
17/5 - 625/100
340-625/100 = -185/100 = -1,85 atau -1
85/100 = -1 17/20

2) 3,015 + 1 7/8 + 35persen = .....
3015/1000 + 15/8 + 35/100
48240+30000+5600/16000
83840/16000 = 5,24 atau 5
3840/16000 = 5 6/25

3) 2,13 - 22persen - 7/40 = .....
213/100 - 22/100 - 7/40
852-88-70/400
694/400 = 1,735 atau 1 294/400
= 1 147/200