Calculate: $$\frac{1\times 3\times 8+2\times 6\times 16+3\times 9\times 24}{1\times 2\times 4+2\times 4\times 8+3\times 6\times 12}$$． 
Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Basic Understanding of Fractions->Using Common Factors to Simplify Fractions