[tex] \frac{1}{4} \times \frac{3}{5} = \frac{3}{20} [/tex]
[tex] \frac{4}{7} \times \frac{5}{6} = \frac{2}{7} \times \frac{5}{3} = \frac{10}{21} [/tex]
[tex] \frac{3}{4} \times \frac{2}{15} = \frac{1}{2} \times \frac{1}{5} = \frac{1}{10} [/tex]
[tex]1 \frac{1}{4} \times \frac{2}{5} = \frac{5}{4} \times \frac{2}{5} = \frac{1}{2} [/tex]
