Question 909300
Let {{{X=4.312121212}}}
{{{10X=43.12121212}}}
{{{1000X=4312.12121212}}}
Then {{{1000X-10X=4312.121212-43.121212}}}
{{{990X=4312-43}}}
{{{990X=4269}}}
{{{X=4269/990}}}
{{{X=1423/330}}}