1)Сократите дроби: 46/50, 77/99, 100/180, 5/1000. 2)Сравните дроби: 2/9 и 1/8,

1) Сократим дроби, разделив числитель и знаменатель на однообразное число:
46/50 = 23/25,
77/99 = 7/9,
100/180 = 5/9,
5/1000 = 1/200.

2) 2/9 = 16/72, 1/8 = 9/72, так как 16/72 gt; 9/72, то 2/9 gt; 1/8.
2/3 = 4/6 а 4/6 lt; 5/6, значит, 2/3 lt; 5/6,
3/4 = 6/8, если 5/8 lt; 6/8, то 5/8 lt; 3/4,
3/8 = 9/24, 5/6 = 20/24, поскольку 9/24 lt; 20/24, то 3/8 lt; 5/6.

3) 8 2/5 = 42/5,
1 1/12 = 13/12,
7 1/9 = 64/9,
1 3/7 = 10/7,
50 1/6 = 301/6,
15 3/4 = 63/4,
60 1/5 = 301/5,
18 2/5 = 92/5.

4) 45/8 = 5 5/8,
36/5 = 7 1/5,
50/6 = 8 2/6 = 8 1/3,
10/3 = 3 1/3,
91/40 = 4 11/40,
100/99 = 1 1/99/