Here are some useful movable minor sixth add9 chord shapes shown in the first four frets. As with previous chord types, learn each shape and then transpose it to all keys.
A major 9th chord is created by adding a 9th degree to any major 7th chord. For example, a Cmaj9 chord contains the notes C, E, G, B and D (1, 3, 5, 7 and 9). The following diagrams demonstrate some common open maj9 chord shapes.