Question 230821
 {{{abc/a^(1/2)b^(-2/3)}}}
Multiply NUM and DEN by {{{b^(2/3)}}}
= {{{ab^(5/3)c/a^(1/2)}}} = ab^(5/3)c/a^(1/2)
Multiply NUM and DEN by a^(1/2)
= a^(3/2)b^(5/3)c
-----------------
The fractions can't be eliminated, unless you use

a^(3/2) = {{{a*sqrt(a)}}}
That's a different form of fractional exponent.