$$\frac{ 3 }{ 7 } \times \frac{ 5 }{ 9 } \times (- \frac{ 9 }{ 24 } ) \times ( \frac{ 14 }{ 15 } )$$
$-\frac{1}{12}\approx -0.083333333$
$$\frac{3\times 5}{7\times 9}\left(-\frac{9}{24}\right)\times \frac{14}{15}$$
$$\frac{15}{63}\left(-\frac{9}{24}\right)\times \frac{14}{15}$$
$$\frac{5}{21}\left(-\frac{9}{24}\right)\times \frac{14}{15}$$
$$\frac{5}{21}\left(-\frac{3}{8}\right)\times \frac{14}{15}$$
$$\frac{5\left(-3\right)}{21\times 8}\times \frac{14}{15}$$
$$\frac{-15}{168}\times \frac{14}{15}$$
$$-\frac{5}{56}\times \frac{14}{15}$$
$$\frac{-5\times 14}{56\times 15}$$
$$\frac{-70}{840}$$
$$-\frac{1}{12}$$
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$-\frac{1}{12} = -0.08333333333333333$