３／４カップ
よんぶんのさんカップ- 13/4 cup (bra) Translated by Jiyomi
Other writings and readings
４分の３カップ
nouns which may take the genitive case particle 'no' · noun (common) (futsuumeishi)
JMdict entry 2838695. Source and licence.
JMdict entry 2838695. Source and licence.