Question 1170228

 

let whole pie be {{{1}}}
One elf ate {{{1/6 }}}of a pie 
Another elf ate {{{3/8}}} of the pie  
A third elf ate {{{1/4}}} of the pie 

then 

{{{1-(1/6+3/8+1/4) }}}

write down

 the  multiples of {{{6=2*3}}}
 the  multiples of {{{8=2*2*2}}}
 the  multiples of {{{4=2*32}}}
 the common multiple:{{{2*2*2*3=24}}}

={{{1-(4/24+9/24+6/24) }}}

={{{1-(19/24)}}}

={{{24/24-19/24}}}

={{{5/24}}}

How much of the pie was left?

answer:{{{ 5/24}}} of the pie was left