Скоратите дроби: 8/12 15/30 14/21 30/35
1) 8/12 = 2/3; 8 ÷ 4/ 12 ÷ 4 = 2/3; 2) 15/30 = 1/2; 15 ÷ 15/ 30 ÷ 15 = 1/2; 3) 14/21 = 2/3; 14 ÷ 7/ 21 ÷ 7 = 2/3; 4) 30/35 = 6/7; 30 ÷ 5/ 35 ÷ 5 = 6/7.
1) 3/4 2)1/2 3)2/3 4)6/7
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