2 целых 1/2 = (2·2+1)/2 = 5/2
2 целых 2/15 = (2·15+2)/15 = 32/15
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2 1/2 · 2 2/15 = 5/2 · 32/15 = (1·16)/(1·3) = 16/3 = 5 1/3
ответ: 5 целых 1/3.
