Răspuns :
1/16 x 4 = 1/4 (se simplifica 16 si 4)
1/16 + 1/4
Aducem la numitor comun, 16, inmultind a doua fractie cu 4
(1+4)/16=5/16
Se putea face direct, fara a simplifica 16 cu 4 :
1/16 x 4 = 4/16
(1+4)/16=5/16
1/16 + 1/4
Aducem la numitor comun, 16, inmultind a doua fractie cu 4
(1+4)/16=5/16
Se putea face direct, fara a simplifica 16 cu 4 :
1/16 x 4 = 4/16
(1+4)/16=5/16