On my laptop I can use Fn+Alt+171 to insert ½, 172 for ¼ and 0190 for ¾. Does anybody know how to do the same for 1/8, 3/8, 5/8 and 7/8? I have seen codes for them 215B, 215C, 215D and 215E but they don't seem to work in the same way. I am sure there is a simple explanation to this issue!