Question

Séptimo matemáticas
$\frac{8}{5} - \frac{3}{6} =$
$\frac{12}{7} - \frac{4}{9} =$
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Answer 1

$\frac{8}{5} - \frac{3}{6} = \frac{8}{5} - \frac{1}{2} = \frac{16 - 5}{10} = \frac{11}{10}$

$\frac{12}{7} - \frac{4}{9} = \frac{108 - 28}{63} = \frac{80}{63}$