it's not that simple, and the math does not work that way. See IRS Publication 946 at https://www.irs.gov/pub/irs-pdf/p946.pdf.
For residential rental real estate use the MACRS worksheet on page 36. For line 6 of that worksheet, Table A-6 on page 71 is used.
If you've entered everything correctly in the program, you'll most likely find the depreciation to be spot on correct.
