50:(14 8/23+5 15/23)-(6 1/5-2 3/5):9=

Question

50:(14 8/23+5 15/23)-(6 1/5-2 3/5):9=

Answer 1

50:(14 8/23+5 15/23)-(6 1/5-2 3/5):9=50:20-(31/5-13/5):9=50:20-18/5:9=50/20-18/9=90/180=1/2=0,5