The major scale of C and the natural minor scale of A contain the same notes. They are relative scales. C is the relative major of A, and A is the relative minor of C:

To identify the relative minor of a major scale, its sixth degree must be identified. For example, the relative minor of F major is its sixth degree, D.

As for relative majors, the third degree must be identified. For example, the relative major of C minor is its third degree, E flat.

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