<span>add the ratio together in this case 2+3. then divide the number by that. in this case 60/5. with that number, in this case 12, multiply this number bu the ratio.. (12*2) : (12*3) it will give you a ratio of 24:36 </span> 2+3=5 <span>2/5*60=12*2=24 </span> 3/5*60=12*3=36 =<span>24:36</span>
