Respuesta:
[tex] \frac{18}{10} - \frac{21}{30} \\ \\ \frac{9}{5} - \frac{7}{10} \\ \\ \frac{9 \times 2}{5 \times 2} - \frac{7}{10} \\ \\ \frac{ 18}{10} - \frac{7}{10} \\ \\ \frac{18 - 7}{10} \\ \\ \frac{11}{10} \\ \\ 1 \frac{1}{10} [/tex]
Explicación paso a paso:
Espero que te ayude
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Respuesta:
[tex] \frac{18}{10} - \frac{21}{30} \\ \\ \frac{9}{5} - \frac{7}{10} \\ \\ \frac{9 \times 2}{5 \times 2} - \frac{7}{10} \\ \\ \frac{ 18}{10} - \frac{7}{10} \\ \\ \frac{18 - 7}{10} \\ \\ \frac{11}{10} \\ \\ 1 \frac{1}{10} [/tex]
Explicación paso a paso:
Espero que te ayude