"Peter Gash and David Clemson" <br/><br/>
Maths made easy Fractions 

 -  ,LADYBIRD,DORLING KINDERSLEY  1998 
 - 32 
<br/><br/><label>ISBN: </label>174033468X 
<br/><br/><label>Dewey Class. No.: </label>510  / 1273