[blindkid] Braille Question - Scratch mark

[Traci W]

I am a braillist and am running into a fraction that is showing:

7*7*7*7*7*7*7
-------------------
       7*7*7

and then the first 3 seven's in the numerator and denominator are scratched
out (to teach dividing exponents, you subtract them)

Is their a braille indicator that anyone knows for this?  I know there is a
tally mark, but this doesn't help much.  :(

Thanks!
Traci


-- 
Traci Wilkerson
Cell – 919-971-6526