The winning Michigan Daily 3 numbers for April 21, 1998 were: midday 9-8-0; evening 9-7-8.
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 |
|---|---|---|---|---|
| Apr 21, 1998 | Evening | 9-7-8 | 24 | 6 |
| Apr 21, 1998 | Midday | 9-8-0 | 17 | 8 |
| Apr 20, 1998 | Evening | 9-0-8 | 17 | 8 |
| Apr 20, 1998 | Midday | 7-1-4 | 12 | 3 |
| Apr 18, 1998 | Evening | 0-9-0 | 9 | 9 |
| Apr 18, 1998 | Midday | 1-6-0 | 7 | 7 |
| Apr 17, 1998 | Evening | 6-7-2 | 15 | 6 |
| Apr 17, 1998 | Midday | 6-4-5 | 15 | 6 |
| Apr 16, 1998 | Evening | 4-0-1 | 5 | 5 |
| Apr 16, 1998 | Midday | 0-4-3 | 7 | 7 |
| Apr 15, 1998 | Evening | 2-8-6 | 16 | 7 |
| Apr 15, 1998 | Midday | 4-6-4 | 14 | 5 |