Rút gọn: \[\frac{{{6^8} \cdot {2^4} - {4^5} \cdot {{18}^4}}}{{{{27}^3} \cdot {8^4} - {3^9} \cdot {2^{13}}}}\]

Rút gọn:

\[\frac{{{6^8} \cdot {2^4} - {4^5} \cdot {{18}^4}}}{{{{27}^3} \cdot {8^4} - {3^9} \cdot {2^{13}}}}\]