Question

1/2+1/3-1/4=? ..........​

Answer 1

Răspuns:

$\frac{1}{2} + \frac{1}{3} - \frac{1}{4}$

Aduci la numitorul comun care este 12.

$\frac{6}{12} + \frac{4}{12} - \frac{3}{12} = \frac{7}{12}$