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Fracciones Homogeneas.
25/4 - 15/4 =
(25 - 15)/4 =
10/4 = Simplificas sacas mitad
(10/2)/(4/2) =
5/2
Fracciones Hetereogeneas
11/4 - 2/6 = El mcm de 4 y 6 es 12
(11 * 3)/12 - (2 * 2)/12 =
33/12 - 4/12 =
(33 - 4)/12 =
29/12
11/7 - 25/2 =
(11*2)/(7 * 2) - (25 * 7)/(2 * 7) =
22/14 - 175/14 =
(22 - 175)/14 =
- 153/14