7/4-(-11/4)=(LEY DE SIGNOS (-)(-)=(+))
7/4+11/4
(7+11)/4
18/4 (sacas mitad a los dos)
9/2
saludos!
=7/4 - (-11/4)
= 7/4 + 11/4 (se conserva el denomidaor y se suman los numeradores)
=(7+11)/4
= 18/4 (simplificando)
= 9/2
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7/4-(-11/4)=(LEY DE SIGNOS (-)(-)=(+))
7/4+11/4
(7+11)/4
18/4 (sacas mitad a los dos)
9/2
saludos!
=7/4 - (-11/4)
= 7/4 + 11/4 (se conserva el denomidaor y se suman los numeradores)
=(7+11)/4
= 18/4 (simplificando)
= 9/2