Respostas

2014-08-27T15:37:57-03:00
 \frac{5}{3} - \frac{6}{4} =

M.M.C
3,4|2
3,2|2
3,1|3
1,1|1

 \frac{12:3X5}{12} - \frac{12:4X6}{12} = \frac{20}{12} - \frac{18}{12} = \frac{2}{12}

Simplificando por 2= \frac{1}{6}
1 5 1