Question

using appropriate properties find -5/7 x7/9+2/3-7/9x1/14​

Answer 1

Step-by-step explanation:

$- \frac{5}{7} \times \frac{7}{9} + \frac{2}{3} - \frac{7}{9} \times \frac{1}{14} \\ = > - \frac{5}{9} + \frac{2}{3} - \frac{1}{18} \\ = > \frac{ - 10 + 12 - 1}{18} \\ = \frac{1}{18}$