Question

resolva as fraçoes e simplifique quando possivel. B) 12/3-6/4+2/3

Answer 1

$\frac{12}{3} - \frac{6}{4}+ \frac{2}{3} = \frac{48-18+8}{12} = \frac{38}{12} = \frac{19}{6}$

Note que o denominador 12 veio do m.m.c de 3 e 4.