Question

19/11 + (8/13 + 3/11)

Answer 1

 19/11 + (8/13 + 3/11)

=(19/11+3/11)+8/13

=2+8/13

=34/13     

Answer 2

\(\frac{9}{11}+\left(\frac{8}{13}+\frac{3}{11}\right)\)

\(=\left(\frac{9}{11}+\frac{3}{11}\right)+\frac{8}{13}\)

\(=1+\frac{8}{13}\)

\(=\frac{21}{13}\)