Respuesta:
2
[tex] \frac{3}{7 } + \frac{6}{9} = \frac{69}{63} \: \: simplificamos = \frac{23}{21} [/tex]
[tex] \frac{23}{21} + \frac{19}{21} = \frac{882}{441} \: \: dividimos \: \: 2[/tex]
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Verified answer
Respuesta:
2
[tex] \frac{3}{7 } + \frac{6}{9} = \frac{69}{63} \: \: simplificamos = \frac{23}{21} [/tex]
[tex] \frac{23}{21} + \frac{19}{21} = \frac{882}{441} \: \: dividimos \: \: 2[/tex]