Question

calcule: 3/5 - 7/9 - 2 ?????​

Answer 1

Resposta:

$\frac{3}{5} - \frac{7}{9} - 2 =$

$\frac{3 \times 9 - 7 \times 5}{5 \times 9} - 2 =$

$\frac{27 - 35}{45} - 2 =$

$\frac{ - 8}{45} - 2$

$\frac{ - 8}{45} - \frac{90}{45}$

$\frac{ - 98}{45}$