Respuesta:
[tex](\frac{2}{3} -\frac{4}{7} ) (\frac{3}{4}-\frac{5}{3})[/tex]
MCM: 3 *7 = 21
2 * 7 = 14
3 * 4 = 12
4 * 3 = 12
3 * 3 = 9
4 * 5 = 20
queda así :
[tex](\frac{14 - 12}{21} ) ( \frac{9 - 20}{12} )[/tex]
[tex]\frac{2}{21}* \frac{-11}{12}[/tex]
[tex]\frac{-11\\}{126}[/tex]
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Respuesta:
[tex](\frac{2}{3} -\frac{4}{7} ) (\frac{3}{4}-\frac{5}{3})[/tex]
MCM: 3 *7 = 21
2 * 7 = 14
3 * 4 = 12
4 * 3 = 12
3 * 3 = 9
4 * 5 = 20
queda así :
[tex](\frac{14 - 12}{21} ) ( \frac{9 - 20}{12} )[/tex]
[tex]\frac{2}{21}* \frac{-11}{12}[/tex]
[tex]\frac{-11\\}{126}[/tex]