Question 569637
{{{ 1 - 1/4 - 1/5 - 1/20 }}} kg left
LCD is {{{ 20 }}}
{{{ 20/20 - 5/20 - 4/20 - 1/20 }}}
{{{ ( 20 - 10 ) / 20 }}}
{{{ 10/20 = 1/2 }}}
1/2 kg of cheese is left