(06 May 2016, 1:49 pm)Sbrokid wrote for an example if you go Middlesbrough to hunmanby it is £43 one way if you get a ticket Middlesbrough to scarborough its £13 then a fiver from scarborough to hunmanby. you have to ensure you don't use different train operators

Wrong.

You can use any train operator you like. Only rule is the train must stop at the place you're splitting the tickets at.