39) \( \frac{6}{25} \times \frac{3}{5} \)

To multiply two fractions, you simply multiply the numerators together and the denominators together. So in this case, \( \frac{6}{25} \times \frac{3}{5} \) becomes \( \frac{6 \times 3}{25 \times 5} \). This simplifies to \( \frac{18}{125} \). Now you have \( \frac{18}{125} \) as your final answer. Easy peasy!