Answer:
[tex]1. \frac{5}{4} \times \frac{2}{10} = \frac{1}{4} [/tex]
[tex]2. \frac{3}{4} \times \frac{8}{9} \times \frac{2}{4} = \frac{1}{3} [/tex]
[tex]3. \frac{5}{12} \times \frac{12}{10} \times \frac{2}{2} = \frac{1}{2} [/tex]
[tex]4. \frac{9}{5} \times \frac{5}{6} \times \frac{1}{3} = \frac{1}{2} [/tex]
