Sustraccion de fracciones.
Sustracción de fracciones
| 1a. |
| 11  12 | − |
| 2
11 | = | | | 1b. |
| 2 7 | − |
| 1
11 | = | |
| 2a. |
| 6 11 | − |
| 2
11 | = | | | 2b. |
| 5 6 | − |
| 1
12 | = | |
| 3a. |
| 3 7 | − |
| 1
8 | = | | | 3b. |
| 8 12 | − |
| 5
9 | = | |
| 4a. |
| 8 9 | − |
| 8
9 | = | | | 4b. |
| 3 9 | − |
| 3
12 | = | |
| 5a. |
| 5 8 | − |
| 4
7 | = | |
5b. |
| 1 2 | − |
| 1
7 | = | |
| 6a. |
| 4 10 | − |
| 3
10 | = | | | 6b. |
| 2 4 | − |
| 1
5 | = | |
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