title: Cannot invoke '-' with with an argument of type(IntegerLiteralConvertible..... (IOS / Swift)
body: <p>im getting an error but i dont understand what the issue is. I'm quite new with IOS / Swift development.</p>
  
  <pre><code>static func ToDegreesMinutesSeconds(latitude :Double, longitude:Double) -&gt; String{
      println(latitude);
      println(longitude);
  
      var latDegrees = Int(latitude);
      var latMinutes = 60 * (latitude - latDegrees);
  </code></pre>
  
  <p>I'm not understanding why the compiler is giving me that error. I thank you for your help.</p>