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Ответ дан
f34g56

перевести все в неправильные дроби, привести к общему знаменателю и сложить.

2 frac{1}{4} + 1 frac{5}{8}  =  frac{9}{4}  +  frac{13}{8}  =  frac{18}{8}  +  frac{13}{8}  = frac{31}{8}  = 3 frac{7}{8}.

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