Question

Answer 1

12/5+8/13+31/13=12/5+39/13=12/5+3=27/5

Answer 2

   \(\dfrac{12}{5}\) + \(\dfrac{8}{13}\) + \(\dfrac{31}{13}\)

=  \(\dfrac{12}{5}\) + (\(\dfrac{8}{13}\) + \(\dfrac{31}{13}\))

=   \(\dfrac{12}{5}\) + \(\dfrac{39}{13}\)

= \(\dfrac{27}{5}\)

Answer 3

= 

Answer 4

\(\dfrac{27}{5}\)