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| 10/10 + 9/5 = | 8/3 + 1/6 = | 5/6 + 10/7 = |
| 7/3 + 5/9 = | 3/11 + 7/3 = | 6/5 + 4/2 = |
| 6/8 + 10/15 = | 4/16 + 2/8 = | 13/4 + 11/15 = |
| 10/9 - 1/3 = | 4/3 - 4/7 = | 6/2 - 9/3 = |
| 1/8 - 3/8 = | 11/3 - 2/12 = | 11/8 - 5/9 = |
| 2/6 - 16/12 = | 7/15 - 3/15 = | 11/1 - 8/15 = |
| 7/9 · 10/4 = | 10/5 · 9/5 = | 7/6 · 4/2 = |
| 10/12 · 12/12 = | 9/10 · 1/1 = | 9/12 · 9/4 = |
| 1/13 · 11/11 = | 15/10 · 3/7 = | 13/9 · 16/8 = |
| 6/4 : 8/5 = | 6/8 : 4/3 = | 7/7 : 5/5 = |
| 6/12 : 7/9 = | 3/3 : 2/9 = | 5/2 : 3/12 = |
| 10/7 : 3/12 = | 2/9 : 14/7 = | 5/14 : 8/9 = |