[tex]A = \frac{5}{4} * \frac{7}{3} = \frac{35}{12} [/tex]
[tex]B = 12 * \frac{2}{5} = \frac{24}{5} [/tex]
[tex]C = \frac{-9}{2} * \frac{5}{-7} = \frac{45}{14} [/tex]
[tex]D = - \frac{6}{7} * \frac{-5}{-3} = - \frac{30}{21} = - \frac{10}{7} [/tex]
[tex]E = 6 * \frac{4}{12} = 2 <== SIMPLIFIER[/tex]
[tex]G = \frac{-1}{3} * \frac{1}{7} = - \frac{1}{21} [/tex]
