The winning Michigan Daily 3 numbers for May 15, 2018 were: midday 3-9-7; evening 7-8-1.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| May 15, 2018 | Evening | 7-8-1 | 16 | 7 |
| May 15, 2018 | Midday | 3-9-7 | 19 | 1 |
| May 14, 2018 | Evening | 2-2-0 | 4 | 4 |
| May 14, 2018 | Midday | 7-8-0 | 15 | 6 |
| May 13, 2018 | Evening | 5-3-0 | 8 | 8 |
| May 13, 2018 | Midday | 4-1-5 | 10 | 1 |
| May 12, 2018 | Evening | 1-1-9 | 11 | 2 |
| May 12, 2018 | Midday | 3-2-3 | 8 | 8 |
| May 11, 2018 | Evening | 8-9-2 | 19 | 1 |
| May 11, 2018 | Midday | 7-8-8 | 23 | 5 |
| May 10, 2018 | Evening | 5-2-3 | 10 | 1 |
| May 10, 2018 | Midday | 7-8-0 | 15 | 6 |
| May 9, 2018 | Evening | 6-3-5 | 14 | 5 |
| May 9, 2018 | Midday | 4-5-9 | 18 | 9 |