While dividing a fraction by another fraction, we ______ the first fraction by the ______ of the other fraction.
While dividing a fraction by another fraction, we multiply the first fraction by the reciprocal of the other fraction.
Rule: \(\dfrac{a}{b} \div \dfrac{c}{d} = \dfrac{a}{b} \times \dfrac{d}{c}\) (multiply by reciprocal).