1 bisa x: x⁻¹

2nd F da x² shi ne $\displaystyle \frac{1}{x}$: $\displaystyle x^{-1}$. Rubuta 6, danna , , da . Rubuta 7, danna , , da . $\displaystyle \frac{1}{6} + \frac{1}{7}$ shi ne $\displaystyle \dfrac{13}{42}$. yana ba da 0.309523809.