| 1/2 + 1/3 = | 5/6 |
| 1/2 – 1/3 = | 1/6 |
| 5/2 – 3/4 = | 7/4 |
| 1/2 + 3/4 = | 5/4 |
| 2/5 + 3/2 = | 19/10 |
| 7/8 + 5/12 = | 31/24 |
| 5/6 +1/10 +1/15 = | 1 |
| 11/10 – 7/8 = | 9/40 |
| 7/18 – 3/10 = | 4/45 |
| 3/10 – 2/15 = | 1/6 |
| 3/10 × 2/15 = | 1/25 |
| 15/14 × 21/25 = | 9/10 |
| 6/25 × 10/9 = | 4/15 |
| 25/26 : 10/13 = | 5/4 |
| 32/27 : 64/45 = | 5/6 |
| 36/49 : 30/7 = | 6/35 |
| 30/121 × 6/25 : 72/55 = | 1/22 |
| 1/2 – 15/22 : 25/11 = | 1/5 |
| (4/3)² = | 16/9 |
| (5/2)³ = | 125/8 |