Answer :

luana
[tex]LCM\ is\ the\ least\ common\ number\ that\ is\ multiply\ of\ both:\\\\ Factors\ of\ 40\\40:2\\20:2\\10:2\\5:5\\\\ Factors\ of\ 15\\15:3\\5:5\\\\ LCM(24,38)=2^3*3*5=120\\\\ \textbf{LCM(40,15)=120} [/tex]