b)
[tex]2+1\frac{3}{5} =\frac{2}{1} +1\frac{3}{5} =\frac{10}{5} +1\frac{3}{5} =1\frac{13}{5} =\boxed{3\frac{3}{5} }[/tex]
[tex]4\frac{1}{3} +5=4\frac{1}{3} +\frac{5}{1} =4\frac{1}{3} +\frac{15}{3}=4\frac{16}{3} =\boxed{9\frac{1}{3} }[/tex]
[tex]1\frac{3}{4} +2\frac{2}{4} =3\frac{5}{4} =\boxed{4\frac{1}{4} }[/tex]
d)
[tex]\frac{40}{50} +\frac{10}{50}+\frac{30}{50} =\frac{80}{50} =1\frac{30}{50} =\boxed{1\frac{3}{5} }[/tex]
[tex]2\frac{3}{5} +2\frac{3}{5} =4\frac{6}{5} =\boxed{5\frac{1}{5} }[/tex]
[tex]8\frac{1}{10} +2\frac{8}{10}+5\frac{9}{10} =15\frac{18}{10} =16\frac{8}{10} =\boxed{16\frac{4}{5} }[/tex]
