How to improvise over sixth chord in minor scale

1. How do you make a minor 6th chord?
2. Is there a minor 6th?

How do you make a minor 6th chord?

The A minor 6th chord contains 4 notes: A, C, E, F#. The chord spelling / formula relative to the A major scale is: 1 b3 5 6. The figured bass symbols for this chord in root position are 6/5/3.

Is there a minor 6th?

The Minor 6th chord is a four-note chord that adds the sixth degree note in the major scale to the minor triad. ... The minor sixth chord can be a substitute for a common minor, but can sound somewhat dissonant depending on the musical circumstances (it often diverges from the relevant musical key).