9 into 4 best min fragment found: 7/4
  Cut up 9 sticks of length 4 like this:
    1 x (2 + 2)
    8 x (7/4 + 9/4)
  Reassemble as 4 sticks of length 9 like this:
    2 x (9/4 + 9/4 + 9/4 + 9/4)
    2 x (7/4 + 7/4 + 7/4 + 7/4 + 2)