Răspuns :
Numitor comun in paranteza 14
6/8 = 3/4 (simplificat cu 2)
(5•7+2•2)/14 - 3/4 =
(35+4)/14 - 3/4 =
39/14 - 3/4 =
Numitor comun 28
(39•2-3•7)/28 =
(78-21)/28 =
57/28
6/8 = 3/4 (simplificat cu 2)
(5•7+2•2)/14 - 3/4 =
(35+4)/14 - 3/4 =
39/14 - 3/4 =
Numitor comun 28
(39•2-3•7)/28 =
(78-21)/28 =
57/28