1) 3 1/2 + 1 5/6 = (3 + 1) + (1/2 + 5/6) = 4 + (3/6 + 5/6) = 4 + 8/6 = 4 + 1 1/3 = 5 1/3Ответ: 5 1/3
2) 8 3/4 + 2 7/8 = (8 + 2) + (3/4 + 7/8) = 10 + (6/8 + 7/8) = 10 + 13/8 = 10 + 1 5/8 = 11 5/8Ответ: 11 5/8
1) 3 1/2 + 1 5/6 = (3 + 1) + (1/2 + 5/6) = 4 + (3/6 + 5/6) = 4 + 8/6 = 4 + 1 1/3 = 5 1/3
Ответ: 5 1/3
2) 8 3/4 + 2 7/8 = (8 + 2) + (3/4 + 7/8) = 10 + (6/8 + 7/8) = 10 + 13/8 = 10 + 1 5/8 = 11 5/8
Ответ: 11 5/8