Add 2 over 3 plus 1 over 6 plus 1 over 6 equal?

Answer 1

2/[3+1/{6+(1/6)}]

= 2/[3+1/(37/6)]

= 2/[3+6/37]

= 2/3(1+2/37)

= 2/3(39/37)

=2*37/3*39

=74/117

=0.63247863247863247863247863247863