2.161616....
2 + 0.161616....
When you see a recurring decimal, the number 9 should come to mind.
If we have: 0.1111.... the fraction is 1/9
If we have: 0.2222.... the fraction is 2/9
If we have: 0.3333.... the fraction is 3/9
But since it is two digits that are recurring: 0.161616... the fraction = 16 / 99
Therefore $2.161616 as fraction = $2 16/99
As mixed = (2*99 + 16)/99 = 214/99 = $214/99