63/55

63/55 |0 2 -1 1 -1>

235.1043 cents

File:Jid 63 55 pluck adu dr220.mp3 sound sample

63/55, the werckismic supermajor second, is 441/440 (3.9 cents) sharp of 8/7, and 3025/3024 (0.57 cents) flat of 55/48. It can arise in 11-limit scales as the interval between 10/9 and 14/11, and 11/9 and 7/5, and their inversions.