Question 1008513
((3a)^2/(18b^3)) times ((12a^4b^5)/(9a^2))

Must multiply functions using least common denominator (LCD)
<pre>{{{(3a)^2/(18b^3)}}}{{{"*"}}}{{{(12a^4b^5)/(9a^2)}}}
"Must multiply functions using least common denominator (LCD)." Is that so? Why?
{{{(9a^2)/(18b^3)}}}{{{"*"}}}{{{(12a^4b^5)/(9a^2)}}}
{{{cross(9a^2)/(18b^3)}}}{{{"*"}}}{{{(12a^4b^5)/cross(9a^2)}}} ------- Cancelling {{{9a^2}}} in numerator and denominator
{{{(12a^4b^5)/(18b^3)}}} 
{{{2cross(12)a^4b^2cross(b^5)/3cross(18)cross(b^3)}}} ------- Cancelling 12 & 18, and {{{b^5}}} & {{{b^3}}} in numerator and denominator
{{{highlight_green((2a^4b^2)/3)}}}, or {{{highlight_green((2/3)a^4b^2)}}}