@simplemom3
Yes, that is basically correct.
But the credit cannot be more than the tax MI calculates on the Toledo income. TurboTax calculates the credit for you and puts the amount on line 18b*. Line 18b is usually the same as line 18a, when an OH city tax is involved.
But, technically, it's line 17 minus line 18b (not 18a) that gets written in box 20 (assuming line 19b is blank).
* If you're doing the form manually, see the form MI-1040 instructions for line 19b (page 11).
https://www.michigan.gov/documents/taxes/BOOK_MI_1040_674612_7.pdf
