Сложите дроби 2/9+3/8; 5/12+4/15; 7/34+ 5/51; 9/180+7/120
1. 2/9 + 3/8 = 43/72 2. 5/12 + 4/15 = 41/60 3. 7/34 + 5/51 = 31/102 4. 9/180 + 7/120 = 13/120
1)43/72 2)123/180 3)527/1734 4)13/120