посчитайте пж номер 240 даю 20-25 поинтов ​

1)

3/8 и 5/12 = 9/24 и 10/24

2)

2/15 и 3/10 = 4/30 и 9/30

3)

10/17 и 13/34 = 20/34 и 13/34

4)

4/13 и 3/4 = 16/52 и 39/52

5)

9/14 и 2/21 = 27/42 и 4/42

6)

1/20 и 1/30 = 3/60 и 2/60

7)

1/9, 1/4 и 1/6 =

4/36, 9/36 и 6/36

8)

3/28, 9/14 и 7/8 =

6/56, 36/56 и 49/56