<?for(;fscanf(STDIN,'%d/%d',$a,$b);$f=!print$f.~\xf5)for(print"$a/$b";$f.=" + 1/".$c=ceil($b/$a),$a=$a*$c-$b;$f[1]='=')$b*=$c;
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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