Answer:
35/27
Step-by-step explanation:
We simply need to divide the product of the numbers (-28/81) by one of the numbers (-4/15):
[tex]\frac{\frac{-28}{81}}{\frac{-4}{15} } \\ \\= \frac{-28}{81} * \frac{15}{-4} \\\\= \frac{7 * 5}{27} = \frac{35}{27}[/tex]
The second number is 35/27.