64/55

64/55 |6 0 -1 0 -1>

262.3683 cents

File:Jid 64 55 pluck adu dr220.mp3 sound sample

64/55, the keenanismic subminor third, is 385/384 (4.5 cents) flatter than 7/6. It arises in 11-limit scales as the interval between 5/4 and 16/11, and between 11/8 and 8/5.