Question

-11minus 11 by 13 and 9 by 13 minus 11 by 13 and 9 by 13 ​

Answer 1

$\frac{ - 11 - 11}{9} = - \frac{22}{9}$

and

$\frac{9}{(13 - 11) \div 13} = \frac{117}{2}$

and

$\frac{9}{13} = \frac{9}{13}$

$- \frac{22}{9} + \frac{117}{2} + \frac{9}{13} = \frac{13279}{234}$