Reply To: UEB – equation with a negative number within a fraction Home › Forums › Unified English Braille Technical › UEB – equation with a negative number within a fraction › Reply To: UEB – equation with a negative number within a fraction December 10, 2019 at 8:36 pm #34850 site4viParticipant Oh ... just noticed ... wouldn't a grade 1 indicator be needed in front of the opening fraction indicator?