./cleanfrac
mpost fractions.mp
mprename fractions.mp
mpost app-pie.mp
mprename app-pie.mp
mpost frac-ques.mp
latex fractionshort.tex
latex fractionshort.tex
makeindex fractionshort.idx
latex fractionshort.tex
dvips fractionshort.dvi -o
dvipdf fractionshort.dvi