[tex] \frac{4}{7} \times ( - 1.2) \times 1 \frac{3}{4} \times ( - 0.5) = \frac{4 \times 6 \times 7 \times 1}{7 \times 5 \times 4 \times 2} = \frac{1 \times 3 \times 1 \times 1}{1 \times 5 \times 1 \times 1} = \frac{3}{5} = 0.6[/tex]