1) 7 целых 1/8 = 57/8
2) 11,25 = 11 целых 25/100 = 11 целых 1/4 = 45/4
3) 57/8 / 45/4 = 57*4/45*8 = 19/30
1) 7 целых 1/8 = 57/8
2) 11,25 = 11 целых 25/100 = 11 целых 1/4 = 45/4
3) 57/8 / 45/4 = 57*4/45*8 = 19/30