1. Запишите все несократимые дроби со знаменательный 302. Запишите все сократимые дроби со знаменательный 40 и сократить их.

N 1

1/30

7/30

11/30

13/30

17/30

19/30

23/30

29/30

N 2

2/40 = 1/20

4/40 = 1/10

5/40 = 1/8

6/40 = 3/20

8/40 = 1/5

10/40 = 1/4

12/40 = 3/10

14/40 = 7/20

15/40 = 3/8

16/40 = 2/5

18/40 = 9/20

20/40 = 1/2

22/40 = 11/20

24/40 = 3/5

25/40 = 5/8

26/40 = 13/20

28/40 = 7/10

30/40 = 3/4

32/40 = 4/5

34/40 = 17/20

35/40 = 7/8

36/40 = 9/10

38/40 = 19/20