Question

Me ajudem, Por favor

Answer 1

a) 2/3 + 4/3 = 6/3 = 2
b) 3/2 + 1/4 = 6/4 + 1/4 + 7/4 ⇒ MMC = 4
c) 4/5 +1/3 -2/4 = 48/60+20/60-30/60 = 38/60 =19/30 (simplifica por 2)
    MMC=60
d) 3/6 . 1/5 = 3/30 = 1/10 (simplifica por 3)
e) 8/7 : 2/3 = 8/7 . 3/2 = 24/14 = 12/7 (simplifica por 2)