Diane,
When you say "an actual horizontal fraction line", do you mean a spurred line? I used beginning and ending braille fraction indicators.
Susie
#6,C,O2+12,H2,O?LI<t *lorophyll#,C6,H12,O6+6,H2,O+6,O2
#2,H2,O?*LOROPHYLL T HAS BEEN/ACTIVAT$ 0LI<t#4,h^+"+,o2
[simbraille][/simbraille]</t#4,h^+"+,o2