Question

(1/2*3/4)*(2/3*4/5)*(5/6*7/8)*6/7*8/9)

Answer 1

1\2*3\4=3\8   2\3*4\5=8\15  5\6*7\8=35\48  6\7*8\9=48\63    3\8*8\15=3\15=1\5   1\5*35\48=7\48=1\6    1\6*48\63=8\63=1\9