Question 1100643
{{{1/18+1/22}}}


{{{1/(2*3*3)+1/(2*11)}}}


{{{(1/(2*3*3))(11/11)+(1/(2*11))(9/9)}}}


{{{11/198+9/198}}}


{{{20/198}}}


{{{10/99}}}


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time for Lisa's dissertation:
{{{99/10}}}

{{{9&9/10}}}


{{{9&54/60}}}


9 minutes 54 seconds