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55/48
|-4 -1 1 0 1>
235.6767 cents
sound sample

55/48, the keenanismic supermajor second, is 385/384 (4.5 cents) sharper than 8/7. It arises in 11-limit JI scales as the interval between 16/15 and 11/9, 12/11 and 5/4, 6/5 and 11/8, and their inversions. It is 0.038 cents flatter than the 11\56 supermajor second of 56edo.