9 : 13,5 – 114% + 2 3/5

9 : 13,5 – 114% + 2 3/5
9 : 135/10 – 114/100 + 13/5
(9/1 × 10/135) – 114/100 + 13/5
90/135 – 114/100 + 13/5
2/3 – 57/50 + 13/5
100/150 – 171/150 + 390/150
319/150