Question

How do you simplify `(15x^4)/(3x)`?

Answer 1

`(15x^4)/(3x) = (3 * 5x^4) / (3*x) = (5x^4)/x = (x*5x^3)/x = 5x^3`

As with ordinary numeric fractions you can cancel out common factors from the numerator (top) and denominator (bottom).