How old was Frodo when he came of age in the book Fellowship of the Rings?

33 Years old

Frodo Baggins is a fictional character in J. R. R. Tolkien's legendarium, and one of the main protagonists of The Lord of the Rings.

Frodo is a hobbit of the Shire who inherits the One Ring from his cousin Bilbo Baggins and undertakes the quest to destroy it in the fires of Mount Doom.

He is also mentioned in Tolkien's posthumously published works, The Silmarillion and Unfinished Tales.

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