| $\LARGE \frac{b}{a}$ and $\LARGE \frac{1}{2ax} $ | $\LARGE \frac{2xb}{2ax}$ and $\LARGE \frac{1}{2ax} $ |
| $\LARGE \frac{1}{a+b}$ and $\LARGE \frac{1}{a-b} $ | $\LARGE \frac{a-b}{a^2-b^2}$ and $\LARGE \frac{a+b}{a^2-b^2} $ |
| $\LARGE \frac{a}{2(a+b)}$ and $\LARGE \frac{2a^2}{3a^2-3b^2} $ | $\LARGE \frac{3(a-b)}{6(a^2-b^2)}$ and $\LARGE \frac{4a^2}{6(a^2-b^2)} $ |
| $\LARGE \frac{a^2+ac}{a^2c-c^3}$ and $\LARGE \frac{a^2-c^2}{a^c+2ac+c^3} $ | $\LARGE \frac{a}{c(a-c)}$ and $\LARGE \frac{a-c}{a+c} $ so: $\LARGE \frac{a(a+c)}{c(a^2-c^2)}$ and $\LARGE \frac{c(a-c)^2}{c(a^2-c^2)} $ |
