| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 78 of 557 | 85% | 17 of 70 | 75% | 17 | 48 | 9 | 98 | 1 | 13 |
| toDisplayString() | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| toString() | | 74% | | 75% | 1 | 3 | 1 | 6 | 0 | 1 |
| factoryMethod(long, long) | | 82% | | 59% | 9 | 12 | 1 | 10 | 0 | 1 |
| valueOf(double) | | 93% | | 93% | 2 | 16 | 2 | 41 | 0 | 1 |
| negate() | | 100% | | 62% | 3 | 5 | 0 | 11 | 0 | 1 |
| RationalNumber(int, int, boolean) | | 100% | | 100% | 0 | 2 | 0 | 8 | 0 | 1 |
| RationalNumber(int, int) | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | |
| gcd(long, long) | | 100% | | 100% | 0 | 2 | 0 | 3 | 0 | 1 |
| RationalNumber(long, long, boolean) | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 | |
| doubleValue() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| intValue() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| longValue() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 | |
| floatValue() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |