title: Date difference in months with decimal
body: <p>My query is as follows:</p>
  
  <pre><code>SELECT DATEDIFF(MONTH, convert(datetime,'01/01/2015',103),convert(datetime,'15/02/2015',103) )
  </code></pre>
  
  <p>I'm getting the result as 1 month only.</p>
  
  <p>I need to get the result as 1.5 months. (means 1 month 15 days).</p>
  
  <p>How can i get the output?</p>