Question

Rezultatul calcului 5 pe 4-2pe3

Answer 1

$\frac{5}{4} - \frac{2}{3} = \frac{5 \times 3}{4 \times 3} - \frac{2 \times 4}{3 \times 4} = \frac{15}{12} - \frac{8}{12} = \frac{15 - 8}{12} = \frac{7}{12}$

Answer 2

5/4 - 2/3 = (aducem la acelasi numitor 12)

= (15 - 8)/12

= 7/12