👤

calculati si simplificati rezultatul:3pe14+ 5pe14;7pe15+ 2pe15

Răspuns :

[tex] \frac{3}{14} [/tex]+ [tex] \frac{5}{14} [/tex] = [tex] \frac{8}{14} [/tex] = [tex] \frac{4}{7} [/tex] . (am simplificat prin 2)
[tex] \frac{7}{15} [/tex] +[tex] \frac{2}{15} [/tex] = [tex] \frac{9}{15} [/tex] = [tex] \frac{3}{5} [/tex] . (am simplificat prin 3).
3/14 + 5/14 = 8/14 = 4/7
7/15 + 2/15 = 9/15 = 3/5