Answers:
i. [tex]\frac{4}{7} *\frac{14}{15}=\frac{8}{15}[/tex]
ii. [tex]4\frac{1}{2} *\frac{4}{9}=2[/tex]
iii. [tex]2\frac{1}{7} *3\frac{2}{5}=\frac{51}{7}[/tex]
iv. [tex]\frac{4}{5} *\frac{5}{4}=1[/tex]
v. [tex]\frac{1}{2} *\frac{3}{4} *\frac{5}{7}=\frac{15}{56}[/tex]
How I did it:
Cross canceling
