Question

\(\frac{1}{13}.\frac{8}{13}+\frac{5}{13}.\frac{1}{13}-\frac{14}{13}\)

Answer 1

1/13 . 8/13 + 5/13 . 1/13 - 14/13

= 1/13 . (8/13 + 5/13) - 14/13

= 1/13 . 13/13 - 14/13

= 1/13 . 1 - 14/13

= 1/13 - 14/13

= -13/13 

= -1