Приведите дроби к наименьшему общему знаменателю:
1) 3/5 и 5/6, 2) 6/11 и 4/9, 3) 5/6 и 5/11, 4) 7/18 и 1/6, 5) 9/13 и 4/5, 6) 5/7 и 3/4, 7) 2/15 и 1/3, 8) 5/8 и 3/4
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1) 3/5 и 5/6, 2) 6/11 и 4/9, 3) 5/6 и 5/11, 4) 7/18 и 1/6, 5) 9/13 и 4/5, 6) 5/7 и 3/4, 7) 2/15 и 1/3, 8) 5/8 и 3/4
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2) 6/11 и 4/9 => 54/99 и 4/99
3) 5/6 и 5/11 => 55/66 и 30/66
4) 7/18 и 1/6 => 7/18 и 3/18
5) 9/13 и 4/5 => 45/65 и 52/65
6) 5/7 и 3/4 => 20/28 и 21/28
7) 2/15 и 1/3 => 2/15 и 5/15
8) 5/8 и 3/4 => 5/8 и 6/8
2) 6/11 и 4/9 общ.зн. 99
3)5/6 и 5/11 общ.зн 66.
4)7/18 и 1/6 общ.зн.18.
5)9/13 и 4/5 общ.зн60.
6)5/7 и 3/4 общ.зн. 28.
7)2/15 и и 1/3 общ.зн.15.
8)5/8 и 3/4 общ.зн 8.