7,5 (67) = 7 + 5/10 + 67/990 = 7 + 1/2 + 67/990 = 7 + 495/990 + 67/990 = (693 + 495 + 67)/990 = 1255/990 = 251/198.
7,5 (67) = 7 + 5/10 + 67/990 = 7 + 1/2 + 67/990 = 7 + 495/990 + 67/990 = (693 + 495 + 67)/990 = 1255/990 = 251/198.