Question

1 1/4×1 1/5×1 1/6×1 1/7×1 1/8-1/4

Answer 1

1 1/4×1 1/5×1 1/6×1 1/7×1 1/8-1/4=2

Answer 2

1 14 = 54  1 15 = 65    1 16 = 76    1 17 =87   1 18 = 94
1 14 x 1 15 = 54 x 65 =32
32 x 1 16 = 32 x 76 = 74
74 x 1 17 = 74 x 87 = 2
2 x 1 18 = 2 x 98 = 94
94 -14 =84=2