Выполните сложение 3 1/3 + 1 3 4/5 + 1 4/57 3/4 + 1/4 1 4/9 + 7 7/183 1/6 + 1/3 8 3/7 + 1 9/14

1) 3 1/3 + 1 = (3 * 3 + 1)/3 + 3/3 = 10/3 + 3/3 = 13/3;

2) 3 4/5 + 1 4/5 = (3 * 5 + 4)/5 + (1 * 5 + 4)/5 = (19 + 9)/5 = 28/5;

3) 7 3/4 + 1/4 = (7 * 4 + 3)/4 + 1/4 = (31 + 1)/4 = 32/4 = 8;

4) 1 4/9 + 7 7/18 = 2 * 13/18 + (7 * 18 + 7)/18 = (26 + 133)/18 = 159/18 = 53/6;

5) 3 1/6 + 1/3 = 19/6 + 2/6 = 21/6 = 7/2;

6) 8 3/7 + 1 9/14 = (8 * 7 + 3)/7 + (1 * 14 + 9)/14 = 2 * 59/14 + 23/14 = (118 + 23)/14 = 141/14.