Question 872694
It's not an equation.  There's no equal sign.
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(r-^1/3s^2) / (r^1/2s-^1/4)
Multiply by s^(1/4)/s^(1/4)
= (r-^1/3s^(9/4)) / (r^1/2)
Multiply by r^(1/3)/r^(1/3)
= s^(9/4) / (r^5/6)