Send your LTC to your exchange's LTC deposit address. Find the Pair: Search for the DOGE/LTC trading pair.
Select as the "Send" currency and DOGE as the "Receive" currency. Enter the amount of LTC you want to spend. how to buy dogecoin with litecoin
Some digital wallets have "Swap" buttons built directly into the app. Exodus, Trust Wallet, or Atomic Wallet. Process: Open your wallet and locate your LTC balance. Click the Swap or Exchange button. Select DOGE as the asset to receive. Send your LTC to your exchange's LTC deposit address