init({range:[[0,2.4],[-1,2]],scale:[200,40]}),rectchart([N1,D1-N1],[BLUE,"#999"],0);var chart2=rectchart([N2,D2-N2],[GREEN,"#999"],0);chart2.translate(240,0),label([.5,1],"\\blue{\\dfrac{"+N1+"}{"+D1+"}}","above"),label([1.7,1],"\\green{\\dfrac{"+N2+"}{"+D2+"}}","above"),label([1.1,1],"+","above")
init({range:[[0,3],[0,2]],scale:[200,40]}),rectchart([N1*F1,LCM-N1*F1],[BLUE,"#999"],0);var chart2=rectchart([N2*F2,LCM-N2*F2],[GREEN,"#999"],0);chart2.translate(240,0),label([.5,1],"\\blue{\\dfrac{"+N1+" \\times "+F1+"}{"+D1+" \\times "+F1+"}}","above"),label([1.7,1],"\\green{\\dfrac{"+N2+" \\times "+F2+"}{"+D2+" \\times "+F2+"}}","above"),label([1.1,1],"+","above")
init({range:[[0,3],[0,1.5]],scale:[200,40]}),label([.5,0],"\\blue{\\dfrac{"+N1*F1+"}{"+LCM+"}}","above"),label([1.7,0],"\\green{\\dfrac{"+N2*F2+"}{"+LCM+"}}","above"),label([1.1,0],"+","above")
if(init({range:[[0,3],[0,2]],scale:[200,40]}),N1/D1+N2/D2>1){var part1=LCM-N1*F1,part2=N2*F2-part1;rectchart([N1*F1,part1],[BLUE,GREEN],0);var chart2=rectchart([part2,LCM-part2],[GREEN,"#999"],0);chart2.translate(240,0)}else rectchart([N1*F1,N2*F2,LCM-N1*F1-N2*F2],[BLUE,GREEN,"#999"],0)
\qquad = \dfrac{\blue{N1 * F1} +
\green{N2 * F2}}{LCM}
\qquad = fraction(F1 * N1 + F2 * N2, LCM)