Simplify $\frac{15k}{20k}$15k20k.
Simplify $\frac{70v}{710}$70v710.
Express in simplest form:
$\frac{42xy}{18y}$42xy18y
Simplify the expression:
$\frac{18p^7}{9p^3}$18p79p3
Use the structure of an expression to identify ways to rewrite it. *[Limited to linear, exponential, and quadratic functions.]