How do I delete a paid app?

If it’s an app you paid once for, press on it’s icon until it begins to wiggle. You’ll see an x. Tick on the x to delete.

If it’s an app you subscribed to, follow these instructions to unsubscribe https://support.apple.com/en-us/HT202039 and then delete the app

Press and hold on the app's icon until the icons start to 'wiggle'.

Now you can rearrange the icons, or tap the X to delete it.