To multiply a rational number(fraction), you multiply across the numerators and denominators. For example: \(\frac{A}{B}\)×\(\frac{X}{Y}\)=\(\frac{AX}{BY}\) or if \(\frac{3}{5}\)×\(\frac{3}{6}\)=\(\frac{9}{30}\) which you need to reduce by 3 since it is a common multiple \(\frac{9}{30} = \frac{3}{10}\)