a) [tex]5-\frac{4}{7} =4\frac{7}{7} -\frac{4}{7} =4\frac{3}{7} \\[/tex]
b) [tex]3\frac{2}{5} -1\frac{4}{5} =2\frac{7}{5} -1\frac{4}{5} =1\frac{3}{5} \\[/tex]
c) [tex]7\frac{4}{11} -2\frac{9}{11} =6\frac{15}{11} -2\frac{9}{11} =4\frac{6}{11} \\[/tex]
d) [tex]4\frac{1}{4} -1\frac{3}{4} =3\frac{5}{4}-1\frac{3}{4} =2\frac{2}{4} =2\frac{1}{2} \\[/tex]
e) [tex]6-\frac{2}{3}=5\frac{3}{3}-\frac{2}{3} =5\frac{1}{3} \\[/tex]
f) [tex]5\frac{3}{8} -2\frac{5}{8} =4\frac{11}{8} -2\frac{5}{8}=2\frac{6}{8} =2\frac{3}{4} \\[/tex]
