Question

$\frac{1}{3} + \frac{2}{5}=$

Answer 1

1/3+2/5=(5+6)/15=11/15
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Answer 2

$\frac{1}{3} + \frac{2}{5}(aduc~la~acelasi~numitor.Numitor~comun:15)= \frac{5}{15}+ \frac{6}{15}= \frac{11}{15}$