title: Integers and float precision
body: <p>This is more of a numerical analysis rather than programming question, but I suppose some of you will be able to answer it.</p>
  
  <p>In the sum two floats, is there any precision lost? Why?</p>
  
  <p>In the sum of a float and a integer, is there any precision lost? Why?</p>
  
  <p>Thanks.</p>