Answer :

Half of 100 is 50 so 5 is half of 10. So 5/10 is 50%. I hope this helped you.
[tex]If\ you\ convrte\ fraction\ of\ percentage\ then\\multiply\ fraction\ by\ 100\ with\ sign\ \%\\------------------------\\\frac{5}{10}=0.5=0.5\cdot100\%=\boxed{50\%}\\\\\frac{5}{10}=\frac{5:5}{10:2}=\frac{1}{2}=\frac{1}{2}\cdot100\%=\boxed{50\%}[/tex]