`[2^15 . 9^2]/[6^3 . 8^4]`
`=[2^15 . (3^2)^2]/[(2.3)^3 .(2^3)^4]`
`=[2^15 .3^4]/[2^3 .3^3 .2^12]`
`=[2^15 .3^4]//[2^15 .3^3]=3`
\(=\dfrac{2^{15}\text{×}3^4}{2^3\text{×}3^3\text{×}2^{12}}=\dfrac{2^{15}\text{×}3^4}{2^{15}\text{×}3^3}=3\)
\(=\dfrac{2^{15}\cdot3^4}{2^3\cdot2^{12}\cdot3^3}=3\)