Даю 20 баллов!сокротите дробь

Question

Даю 20 баллов!сокротите дробь

---

Answer 1

1) 63/7=9

2) 3(25-11)/3(25+11) = 14/136 = 7/18

3) 3(8+1)/3(8-1) = 9/6 = 3/2

4) 3(5+2)/3(5-2) = 7/3

5) 3(4 -1)/3(4+1) = 3/5

6) 2(13+1)/2(13-1) = 14/12 = 7/6