Question
Given that, $\frac{\text{P}}{\text{q}}$ and $\frac{\text{r}}{\text{s}}$ are two rational numbers with different denominators and both of them are in standard form. To compare these rational numbers, we say that. $\frac{\text{P}}{\text{q}}=\frac{\text{r}}{\text{s}},$ if ______ = ____.
