Step-by-step explanation:
[tex] \frac{17}{21} \times \frac{3}{5} \\ \\ = \frac{17}{7 \times 3} \times \frac{3}{5} \\ \\ = \frac{17}{7 } \times \frac{1}{5} \\ \\ = \frac{17 \times 1}{7 \times 5} \\ \\ = \frac{17}{35} \\ [/tex]
