Question

Operaciones con fracciones
a)2/3 - (1/2 -1/3)
B) 2-(-1/3)+2/5
X fis ayuda urgente.... gracias

Answer 1

A) 2/3 - (1/2 - 1/3) = 1/2 = 0.5
Proceso:
2/3 - (1/2 - 1/3) =
 2/3 - (3-2/2*3) =
 2/3 - 1/6 = 
12-3/3*6 =
9/18 = 1/2

B) 2 - (-1/3) + 2/5 = 41/15 = 2.73
Proceso:
2+1/3+2/5 =
7/3+2/5 =
35+6/15 =
41/15 = 2.73