Dividing a fraction is basically multiplying the fraction flipped. This means when you divide by 2/3, you're really just multiplying 3/2 to both sides. 3/2 times 2/3 is 6/6 or 1. That make the left side x. 5/6 times 3/2 is 15/12 or 5/4. This proves that dividing by 2/3 is the best first step.
