Question

Efectúa: ( 2/3 - 3/9) - (3/4 -1/2) *

Answer 1

Respuesta: 1/12

Explicación paso a paso:

(2/3-3/9)-(3/4-1/2)

(2/3-1/3)-(3/4-1/2)

2/3-1/3= tienen mismo denominador solo restar

2-1/3= 1/3

3/4-1/2=

Mcm 4

3-2/4= 1/4

(2/3-1/3)-(3/4-1/2)

(1/3)-(1/4)

1/3-1/4=

Mcm 12

4-3/12= 1/12

1/3-1/4=1/12