Question 596400
{{{ 1200 / 3000 }}}
Divide top and bottom by {{{ 1000 }}}
This doesn't change the value of
the fraction.
{{{ 1.2 / 3 }}}
Do the division
{{{ 1.2 / 3 = .4 }}}
also 
{{{ .4 = 4/10 }}}
{{{ 4/10 = 2/5 }}} answer