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1. Сократить следующие дроби:
;
;
Решение
2 2
4 2
1 2
2
= =
⋅
⋅
2 2⋅
20 5 4 5
24 6 4
4⋅ ⋅
= =
⋅
6 4⋅
13 13
169 13
13
13
1
= =
⋅
⋅
13 13⋅
2. Сократить:
Решение
17 3 9 17 3 3 3 17
6 51 15 2 3 17 3 5 3
⋅ ⋅ ⋅ ⋅ ⋅
= =
⋅ ⋅ ⋅ ⋅ ⋅ ⋅ ⋅
3
⋅
3
⋅
3
⋅
2 3
⋅
17
⋅
3
⋅
3
⋅
5
⋅
⋅
3. Привести дроби
и
к наименьшему общему знаменателю
Решение
= =
⋅
