[tex]f)\\\\\frac{5}{9}*4\frac{1}{10}=\frac{\not{5}^1}{9}*\frac{41}{\not{10}^2}=\frac{41}{9}=4\frac{5}{9}[/tex]
[tex]g)\\\\2\frac{1}{2}*5\frac{1}{3} =\frac{5}{\not{2}^1}*\frac{\not{16}^8}{3}=\frac{40}{3}=13\frac{1}{3}[/tex]
[tex]h)\\\\3\frac{3}{4}*4\frac{1}{5}=\frac{\not{15}^3}{4}*\frac{21}{\not{5}^1}=\frac{63}{4}=15\frac{3}{4}[/tex]
[tex]i)\\\\5\frac{6}{7}*4\frac{2}{3}=\frac{41}{\not{7}^1}*\frac{\not{14}^2 }{3}=\frac{82}{3}=27\frac{1}{3}[/tex]
