1) 4/9 = (4 * 2)/(9 * 2) = 8/18
Ответ: 8/18
2) 5/6 = (5 * 3)/(6 * 3) = 15/18
Ответ: 15/18
3) 7/2 = (7 * 9)(2 * 9) = 63/18
Ответ: 63/18
4) 7/8 = (7 * 10)/(8 * 10) = 70/80
Ответ: 70/80
5) 5/16 = (5 * 5)/(16 * 5) = 25/80
Ответ: 25/80
6) 21/40 = (21 * 2)/(40 * 2) = 42/80
Ответ: 42/80
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Answers & Comments
1) 4/9 = (4 * 2)/(9 * 2) = 8/18
Ответ: 8/18
2) 5/6 = (5 * 3)/(6 * 3) = 15/18
Ответ: 15/18
3) 7/2 = (7 * 9)(2 * 9) = 63/18
Ответ: 63/18
4) 7/8 = (7 * 10)/(8 * 10) = 70/80
Ответ: 70/80
5) 5/16 = (5 * 5)/(16 * 5) = 25/80
Ответ: 25/80
6) 21/40 = (21 * 2)/(40 * 2) = 42/80
Ответ: 42/80