I also got 203 which is also wrong can someone please show h

I also got (203), which is also wrong. can someone please show how to do this?

Determine the Miller indices for the planes shown in the following unit cell. For negative a indexes please use in front of the number. Use proper type of backers. No spaces.

Solution

You are right the answer is (2 0 3)

First it is ( 1/2 0 1/3 )

Then its reciporcal is (2 infinite 3 )

Then lcd is 1

So the miller indcies is (2 0 3)