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(6/5 - 1/2 + 3/4) ÷ (2/5 + 8/3) =
Sacas El mcm de los denominadores del 1er parentesis
5 2 4 2(mitad)
5 1 2 2,,,,,,,,,,,,
5 1 1 5(quinta)
1 1 1
El mcm de 5 , 2 , 4 es = 2 * 2 * 5 = 20
(6/5 - 1/2 + 3/4) ÷ (2/5 + 8/3) =
(24/20 - 10/20 + 15/20 ) ÷ (3*2)/15 + (8*5)/15 =
((24 - 10 + 15)/20) ÷ (6/15 + 40/15)
((39 - 10)20) ÷ (6 + 40)/15
29/20 ÷ 46/15 =
29/20 * 15/46 =
(29 * 15)/(20 * 46) =
435/920
Respuesta.
Opcion b