Answer :
(3.4)/(12.92)
=(3+2/5)/(12+92/100)
=(15/5+2/5)/(1200/100+92/100)
=(17/5)/(1292/100)
=(17/5)*(100/1292)
=1700/6460
=170/646
=85/323
=(3+2/5)/(12+92/100)
=(15/5+2/5)/(1200/100+92/100)
=(17/5)/(1292/100)
=(17/5)*(100/1292)
=1700/6460
=170/646
=85/323