Question

помогите срочно
дам 50 баллов​

Answer 1

Пошаговое объяснение:

7/12 + 7/20 = 35/60 + 21/60 = 66/60 = 1  1/10

3/8 + 1/18 = 27/72 + 4/72 = 31/72

1/12 + 1/14 = 7/84 + 6/84 = 13/84

2/15 + 7/12 = 8/60 + 35/60 = 43/60

9/14 - 5/12 = 54/84 -35/84 = 19/84

19/75 + 7/50 = 38/150 + 21/150 = 59/150

Answer 2

Ответ:

Пошаговое объяснение:

1) 7/12 + 7/20 = 35/60 + 21/60 = 56/60 = 14/15

2) 3/8 + 1/18 = 27/72 + 4/72 = 31/72

3) 1/12 + 11/14 = 7/84 + 66/84 = 83/84

4) 2/15 + 7/12 = 8/60 + 35/60 = 43/60

5) 9/14 - 5/12 = 54/84 - 35/84 = 19/84

6) 19/75 + 7/50 = 38/150 + 21/150 = 59/150