f) [tex]-1,5:(-2\frac{1}{3} =1,5:2\frac{1}{3} =1\frac{1}{2} :\frac{7}{3} =\frac{3}{2} *\frac{3}{7} =\frac{9}{14}[/tex]
g) [tex]-1\frac{3}{4} +7\frac{1}{5}=-1\frac{15}{20} +7\frac{4}{20} =7\frac{4}{20} -1\frac{15}{20} =6\frac{24}{20} -1\frac{15}{20} =5\frac{9}{20}[/tex]
