Question

Efetue as operações e simplifique quando for possível :
a) 1/3+2/5=?
B) 3/2-2/3=?
C) 2-7/6+3/4=?
D) 3/4×1/2=?
E) 4/5:2/3=?
Me ajudem por favor!

Answer 1

Vamos la

a) 1/3 + 2/5 = 5/15 + 6/15 = 11/35

B) 3/2 - 2/3 =  (9 - 4)/6 = 5/6

C) 2 - 7/6 + 3/4 =  (24 - 14 + 9)/12 = 19/12

D) 3/4 * 1/2 =  3/8

E) (4/5)/(2/3) = (4/5)*(3/2) = 12/10 = 6/5