Question

1 1/12 × 1 1/13 × 1 1/14 × 1 1/15× 1 1/16× 1 1/17=?

Answer 1

1 1/12 * 1 1/13 * 1 1/14 * 1 1/15 * 1 1/16 * 1 1/17 =
13/12 * 14/13 * 15/14 * 16/15 * 17/16 * 18/17 = 18/12 = 3/2 = 1 1/2.