80 divided by 9 is 8 with a remainder of 8, or about 8.8889 as a decimal. In symbols: 80 ÷ 9 = 8.88... (8 repeats).
| Form | Answer |
|---|---|
| Quotient and remainder | 8 remainder 8 |
| Decimal | 8.88... (8 repeats) |
| Fraction | 80/9 |
| Mixed number | 8 8/9 |
| Percent | 888.89% |
Ask how many times 9 fits into 80. 9 × 8 = 72, and 9 × 9 = 81 is too big, so 9 goes into 80 exactly 8 times with 80 − 72 = 8 left over.
The remainder 8 is 8/9 of another 9, and 8 ÷ 9 = about 0.8889. So 80 ÷ 9 = 8 + 0.8889 = about 8.8889.
Multiply back: 8 × 9 + 8 = 72 + 8 = 80. ✓
| Division | Answer |
|---|---|
| 79 ÷ 9 | 8 R 7 |
| 81 ÷ 9 | 9 |
| 80 ÷ 8 | 10 |
| 80 ÷ 10 | 8 |
| 78 ÷ 9 | 8 R 6 |
| 82 ÷ 9 | 9 R 1 |
See also: factors of 80.
Other numbers? Browse all division answers, the multiplication table or the fraction calculator.