Ответ:
1 1/3 + 2 3/5 = (1 + 2) + (1/3 + 3/5) = 3 + 14/15 = 3 14/15
5/6 - 1/4 = 10 - 3/12 = 7/12
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Ответ:
1 1/3 + 2 3/5 = (1 + 2) + (1/3 + 3/5) = 3 + 14/15 = 3 14/15
5/6 - 1/4 = 10 - 3/12 = 7/12