If your LLC is a single member LLC (or a husband-wife LLC in a community property state), it is a disregarded entity for tax purposes.
In this case, you report the income and expenses of the LLC on a Schedule C in your personal tax return.
If your LLC is not a disregarded entity, you have to prepare a LLC return (form 1065). You cannot use TurboTax online to prepare form 1065, but have to use TurboTax Business which is only available as a CD/Download on a Windows computer (not compatible with Mac).
You can purchase TurboTax Business from this link:
https://turbotax.intuit.com/small-business-taxes/
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