| 100 | + | 140 | + | 1021 100 | s | − | 1021 10 | = | 853 5 | + | 611 50 | s | − | 611 5 |
| Left side of the equation = | 1379 10 | + | 1021 100 | s |
1379 10 | + | 1021 100 | s | = | 853 5 | + | 611 50 | s | − | 611 5 |
| Right side of the equation = | 242 5 | + | 611 50 | s |
1379 10 | + | 1021 100 | s | = | 242 5 | + | 611 50 | s |
1021 100 | s | − | 611 50 | s | = | 242 5 | − | 1379 10 |
| - | 201 100 | s | = | 242 5 | − | 1379 10 |
| - | 201 100 | s | = | - | 179 2 |
179 2 | = | 201 100 | s |
201 100 | s | = | 179 2 |
| s | = | 179 2 | ÷ | 201 100 |
| = | 179 2 | × | 100 201 |
| = | 179 | × | 50 201 |
| s | = | 8950 201 |
| s | = | 44.527363 |