| 1) 6 ⁄ 22 = (2 · 3) (2 · 11) = 3 ⁄ 11 | |
2) 8 ⁄ 24 = (8 · 1) (8 · 3) = 1 ⁄ 3 |
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| 3) 28 ⁄ 30 = (2 · 14) (2 · 15) = 14 ⁄ 15 | |
4) 10 ⁄ 26 = (2 · 5) (2 · 13) = 5 ⁄ 13 |
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| 5) 12 ⁄ 30 = (6 · 2) (6 · 5) = 2 ⁄ 5 | |
6) 8 ⁄ 30 = (2 · 4) (2 · 15) = 4 ⁄ 15 |
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| 7) 4 ⁄ 8 = (4 · 1) (4 · 2) = 1 ⁄ 2 | |
8) 21 ⁄ 28 = (7 · 3) (7 · 4) = 3 ⁄ 4 |
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| 9) 3 ⁄ 9 = (3 · 1) (3 · 3) = 1 ⁄ 3 | |
10) 20 ⁄ 22 = (2 · 10) (2 · 11) = 10 ⁄ 11 |
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| 11) 4 ⁄ 10 = (2 · 2) (2 · 5) = 2 ⁄ 5 | |
12) 7 ⁄ 14 = (7 · 1) (7 · 2) = 1 ⁄ 2 |
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| 13) 6 ⁄ 30 = (6 · 1) (6 · 5) = 1 ⁄ 5 | |
14) 20 ⁄ 30 = (10 · 2) (10 · 3) = 2 ⁄ 3 |
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| 15) 12 ⁄ 18 = (6 · 2) (6 · 3) = 2 ⁄ 3 | |
16) 7 ⁄ 28 = (7 · 1) (7 · 4) = 1 ⁄ 4 |
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| 17) 24 ⁄ 30 = (6 · 4) (6 · 5) = 4 ⁄ 5 | |
18) 20 ⁄ 25 = (5 · 4) (5 · 5) = 4 ⁄ 5 |
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| 19) 4 ⁄ 18 = (2 · 2) (2 · 9) = 2 ⁄ 9 | |
20) 4 ⁄ 20 = (4 · 1) (4 · 5) = 1 ⁄ 5 |
| 1) 8 ⁄ 16 = (8 · 1) (8 · 2) = 1 ⁄ 2 | |
2) 7 ⁄ 21 = (7 · 1) (7 · 3) = 1 ⁄ 3 |
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| 3) 24 ⁄ 26 = (2 · 12) (2 · 13) = 12 ⁄ 13 | |
4) 6 ⁄ 12 = (6 · 1) (6 · 2) = 1 ⁄ 2 |
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| 5) 10 ⁄ 15 = (5 · 2) (5 · 3) = 2 ⁄ 3 | |
6) 2 ⁄ 18 = (2 · 1 ⁄ 2 · 9) = 1 ⁄ 9 |
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| 7) 15 ⁄ 21 = (3 · 5) (3 · 7) = 5 ⁄ 7 | |
8) 12 ⁄ 15 = (3 · 4) (3 · 5) = 4 ⁄ 5 |
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| 9) 6 ⁄ 28 = (2 · 3) (2 · 14) = 3 ⁄ 14 | |
10) 2 ⁄ 14 = (2 · 1) (2 · 7) = 1 ⁄ 7 |
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| 11) 6 ⁄ 24 = (6 · 1) (6 · 4) = 1 ⁄ 4 | |
12) 4 ⁄ 28 = (4 · 1) (4 · 7) = 1 ⁄ 7 |
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| 13) 8 ⁄ 28 = (4 · 2) (4 · 7) = 2 ⁄ 7 | |
14) 13 ⁄ 26 = (13 · 1) (13 · 2) = 1 ⁄ 2 |
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| 15) 20 ⁄ 28 = (4 · 5) (4 · 7) = 5 ⁄ 7 | |
16) 14 ⁄ 18 = (2 · 7) (2 · 9) = 7 ⁄ 9 |
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| 17) 3 ⁄ 27 = (3 · 1) (3 · 9) = 1 ⁄ 9 | |
18) 4 ⁄ 14 = (2 · 2) (2 · 7) = 2 ⁄ 7 |
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| 19) 5 ⁄ 30 = (5 · 1) (5 · 6) = 1 ⁄ 6 | |
20) 3 ⁄ 15 = (3 · 1) (3 · 5) = 1 ⁄ 5 |