5i1/3-2/3= .b,7i2/5-4/5= c5i1/4-2i3/4= d7i1/5-3i3/5= e9i1/8-2i7/8=

[latex]A) 5 frac{1}{3} - frac{2}{3} = frac{16}{3} - frac{2}{3}= frac{14}{3}=4 frac{2}{3} [/latex] [latex]7 frac{2}{5} - frac{4}{5} = frac{37}{5} - frac{4}{5} = frac{33}{5} =6 frac{3}{5} [/latex] [latex]5 frac{1}{4} - 2 frac{3}{4} = frac{21}{4} - frac{11}{4} = frac{10}{4} =2 frac{2}{4} [/latex] [latex]7 frac{1}{5} -3 frac{3}{5} = frac{36}{5} - frac{18}{5} = frac{18}{5} =3 frac{3}{5} [/latex] [latex]9 frac{1}{8} - 2 frac{7}{8} = frac{73}{8} - frac{23}{8} = frac{50}{8} =6 frac{2}{8} [/latex]

[latex]a) 5 frac{1}{3}- frac{2}{3}= frac{3*5+1}{3}- frac{2}{3}= frac{16}{3}- frac{2}{3}= frac{16-2}{3}= oxed{ frac{14}{3}=4 frac{2}{3} } \ \ b) 7 frac{2}{5}- frac{4}{5}= frac{5*7+2}{5}- frac{4}{5}= frac{37}{5}- frac{4}{5}= frac{37-4}{5}= oxed{ frac{33}{5}=6 frac{3}{5} } \ \ c) 5 frac{1}{4}- 2 frac{3}{4}= frac{4*5+1}{4}- frac{4*2+3}{4}= frac{21}{4}- frac{11}{4}= frac{21-11}{4}= frac{10}{4}= oxed{ frac{5}{2}= 2frac{1}{2}} \ \[/latex] [latex]d) 7 frac{1}{5}-3 frac{3}{5}= frac{5*7+1}{5}- frac{5*3+3}{5}= frac{36}{5}- frac{18}{5}= frac{36-18}{5}= oxed{ frac{18}{5}=3 frac{3}{5} } \ \ d) 9 frac{1}{8}-2 frac{7}{8}= frac{9*8+1}{8}- frac{2*8+7}{8}= frac{73}{8}- frac{23}{8}= frac{73-23}{8}= oxed{ frac{50}{8}=6 frac{2}{8} } \ \[/latex] pozdrowienia!!!!