Question

(3/4-1/6) - (1/3+1/4) ?

Answer 1

(3/4 - 1/6) - (1/3 + 1/4)
3/4 - 1/6 - 1/3 - 1/4

9 - 2 - 4 - 3
------------------     =  12
       12

Answer 2

$( \frac{3}{4} - \frac{1}{6} ) - ( \frac{1}{3} + \frac{1}{4} )$

4,6|2
2,3|2
1,3|3
1,1

2 x 2 x 3 = 12

3,4|2
3,2|2
3,1|3
1,1

2 x 2 x 3 = 12

$(\frac{9-2}{12}) - ( \frac{4+3}{12} )$

$\frac{7}{12} - \frac{7}{12}$

$\frac{0}{12}$

0

Bons estudos!