a) [tex] \frac{2}{3} : (-12) = \frac{2}{3} * ( - \frac{1}{12} ) = \frac{-1}{3* 6 } = \frac{-1}{18} [/tex]
b) [tex]2 : (- \frac{1}{4} ) = 2 * ( - \frac{4}{1} ) = -8[/tex]
c) [tex] \frac{5}{8} -2 = \frac{5- 8*2}{8} = \frac{-11}{8} [/tex]
d)[tex]- \frac{2}{5} * 3 = \frac{-6}{5} [/tex]
