I'm not quite sure what you mean with creating a strikethrough font. However, for striking through text horizontally see:

Answer:

Please see the snippet below and tell me how can I achieve the same strike-out effect as in the main text. I am using the version of LaTeX from the latest Ubuntu repositories.

\documentclass{article}

\usepackage{ulem}

\begin{document}

The sout tag works perfect in the \sout{main text area} but not inside the equations.

$$

list = [1, \sout{2}, 3, \sout{4}, 5, \sout{6}, 7, \sout{8}, 9, \sout{10}]

$$

Any clue?

\end{document}

Answer:

happy makar sankranti ................