Simple operation of 1 / 2 + 1 / 5 + 1 / 8 + 1 / 11 + 1 / 20 + 1 / 41 + 1 / 110

Simple operation of 1 / 2 + 1 / 5 + 1 / 8 + 1 / 11 + 1 / 20 + 1 / 41 + 1 / 110

1 / 2 + 1 / 5 + 1 / 8 + 1 / 11 + 1 / 20 + 1 / 41 + 1 / 110 = (detachable denominator first) 1 / 2 + 1 / 5 + 1 / 4-1 / 8 + 1 / 11 + 1 / 4-1 / 5 + 1 / 41 + 1 / 10-1 / 11 = (cancellable first) 1 / 2 + 1 / 4-1 / 8 + 1 / 4 + 1 / 41 + 1 / 10 = 1-1 / 8 +