translate a couple phrases to spanish

Author: abgutierrez24

library/fractions.po

@@ -150,13 +150,18 @@ msgstr ""
 msgid ""
 "Space is allowed around the slash for string inputs: ``Fraction('2 / 3')``."
 msgstr ""
+"Se permite espacio alrededor de la barra para entrada de cadena de "
+"caracteres: ``Fraction('2 / 3')``."
 
 #: ../Doc/library/fractions.rst:104
 msgid ""
 ":class:`Fraction` instances now support float-style formatting, with "
 "presentation types ``\"e\"``, ``\"E\"``, ``\"f\"``, ``\"F\"``, ``\"g\"``, "
 "``\"G\"`` and ``\"%\"\"``."
 msgstr ""
+":class:`Fraction` instancias ahora apoya formato de estilo flotante, con "
+"tipos de presentacion ``\"e\"``, ``\"E\"``, ``\"f\"``, ``\"F\"``, ``\"g\"``, "
+"``\"G\"`` and ``\"%\"\"``."
 
 #: ../Doc/library/fractions.rst:111
 msgid "Numerator of the Fraction in lowest term."