[tex]1 \frac{1}{4} \times \frac{8}{15} \times \frac{5}{9} = [/tex]
[tex] \frac{1 \times 4 + 1}{4} \times \frac{8}{15} \times \frac{5}{9} = [/tex]
[tex] \frac{5}{4} \times \frac{8}{15} \times \frac{5}{9} = [/tex]
[tex] \frac{1}{1} \times \frac{2}{3} \times \frac{5}{9} = [/tex]
[tex]1 \times \frac{2}{3} \times \frac{5}{9} = [/tex]
[tex] \frac{2}{3} \times \frac{5}{9} = [/tex]
[tex] \frac{2 \times 5}{3 \times 9} = [/tex]
[tex] = \frac{10}{27} [/tex]