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b) 144 5/24 d) -17/12 f) -31/49 g) 4 1/24 i) 7/60

[latex]b)\3frac{3}{8}+2frac{5}{6}=3frac{9}{24}+2frac{20}{24}=5frac{29}{24}=6frac{5}{24}\\d)\frac{7}{6}+(-frac{5}{4}-frac{4}{3})=frac{14}{12}+(-frac{15}{12}-frac{16}{12})=frac{14}{12}+(-frac{31}{12})=-frac{17}{12}=1frac{5}{12}[/latex] [latex]f)\-1frac{9}{16}+frac{11}{12}=-1frac{27}{48}+frac{44}{48}=-frac{31}{48}\\g)\1frac{5}{8}-(-2frac{2}{3}+0,25)=1frac{5}{8}-(-2frac{2}{3}+frac{1}{4})=1frac{5}{8}-(-2frac{8}{12}+frac{3}{12})=[/latex] [latex]1frac{5}{8}-(-2frac{5}{12})=1frac{15}{24}-(-2frac{10}{24})=1frac{15}{24}+2frac{10}{24}=3frac{25}{24}=4frac{1}{24}[/latex] [latex]i)\frac{1}{2}-frac{1}{3}-(frac{1}{4}-frac{1}{5})=frac{1}{2}-frac{1}{3}-(frac{5}{20}-frac{4}{20})=frac{1}{2}-frac{1}{3}-frac{1}{20}=[/latex] [latex]frac{30}{60}-frac{20}{60}-frac{3}{60}=frac{7}{60}[/latex]