Operasi hitung campuran berbagai bentuk pecahan 8/9 – 3/5 : 6/8 = ?

8/9-(3/5:6/8)
8/9-(3/5×8/6)
8/9-24/30
8/9-4/5
40/45-36/45
4/45

8/9 – 3/5 : 6/8 =
8/9 – 3/5 x 8/6 =
8/9 – 24/30 =
240 / 270 – 216/270 =
24/270 = 8/90 = 4/45