Question

Помогите пожалуйста сос

Answer 1

39.

1) 7/15 + 2/15 = 9/15 = 3/5

2) 37/46 - 21/46 = 16/46 = 8/23

3) 5 17/36 + 3 7/36 = 8 24/36 = 8 2/3

4) 17 53/63 - 9 32/63 = 8 21/63 = 8 1/3

40.

1) 2/3

2) 8/15

3) 1/30

4) 1/5

35.

1) 5/10 = 1/2

2) 8/32 = 1/4

3) 14/63 = 2/9

4) 25/40 = 5/8

5) 32/80 = 4/10

6) 56/72 = 7/9

7) 72/108 = 2/3

8) 480/640 = 3/4