How to Display recent post outside blog

Hello All,

I want to display my blog recent post on main page of website. my blog is in http://website.com/blog/ and i want to display recent post on http://website.com/

I have gone through all wordpress but not able to workout.
I am using this code to show

<?php
require('/the/path/to/your/wp-blog-header.php');
?>

<?php
$posts = get_posts('numberposts=10&order=ASC&orderby=post_title');
foreach ($posts as $post) : start_wp(); ?>
<?php the_date(); echo "
"; ?>
<?php the_title(); ?>
<?php the_excerpt(); ?>
<?php
endforeach;
?>

Code (markup):

but then it shows following error

Fatal error: Cannot redeclare clean_url() in /public_html/blog/wp-includes/formatting.php on line 2153

Not able to figure out how to resolve this error