tolong no 1-5 aja pake caranya

1. 16/100 = 4/25
2. 4 9/18 - 2 4/18 = 2 5/18
3. 3/5 x 25000 = 3 x 5000
                   = Rp.15.000,00
4. 6/7 × 4/3 = 24/21 = 8/7 = 1 1/7
5. 27/100 + 3/20 - 25/100 
    = 27/100 + 15/100 - 25/100
    = 17/100
    = 17%