Question

9/7 - 7/9 e igual a :

Answer 1

[tex] \frac{9}{7} - \frac{7}{9} = \\ \frac{81 - 49}{63} = \\ \frac{32}{63}

Answer 2

$\frac{9}{7} - \frac{7}{9}$

$\frac{9 \times 9}{7 \times 9} - \frac{7 \times 7}{9 \times 7}$

$\frac{81}{63} - \frac{49}{63}$

$\frac{81 - 49}{63}$

$\large \boxed{ \frac{ \: 32}{ \: 63 } \: }$

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Att, IzabelaCristina2006 ❤️ ♈