[tex]D = \frac{7}{3} - (\frac{2}{3} +\frac{1}{6})\\\\D = \frac{7}{3} - (\frac{2*2}{3*2} +\frac{1}{6})\\ \\D = \frac{7}{3} - (\frac{4}{6} +\frac{1}{6}) \\\\D= \frac{7}{3} - \frac{5}{6} \\\\D= \frac{7*2}{3*2} - \frac{5}{6}\\\\D = \frac{14}{6} - \frac{5}{6}\\\\D= \frac{9}{6}\\\\D= \frac{3*3}{3*2} \\\\D=\frac{3}{2}\\ \\D = 1,5[/tex] [tex]E = (\frac{1}{8} + \frac{-3}{4} )-(\frac{-1}{3} -\frac{4}{3} )\\\\E = (\frac{1}{8} + \frac{-3*2}{4*2} )-(\frac{-5}{3} )\\\\E = (\frac{1}{8} + \frac{-6}{8} )-(\frac{-5}{3} )\\\\E =\frac{-5}{8} -(\frac{-5}{3} )\\\\E = \frac{-5*3}{8*3} -(\frac{-5*8}{3*8} )\\\\E = \frac{-15}{24} -(\frac{-40}{24} )\\\\E = \frac{-15}{24} +\frac{40}{24} \\\\E = \frac{25}{24}[/tex]
