I would like to purchase XRP coins using my LTC coins.
How do I do that?
I do not have an XRP wallet as of yet.
You can check out our How to buy Ripple guide, this includes couple of options for XRP wallets. Regarding how to purchase Ripple using Litecoins, probably it is best if you go to Changelly or Shapeshift which both enable you to trade between various cryptocurrencies.