Convert to decimal notation.

2/3

2 divided by 3 = 0.666666667

To convert a fraction to decimal notation, you simply divide the numerator (top number) by the denominator (bottom number).

In this case, the fraction is 2/3. So, you divide 2 by 3:

2 ÷ 3 = 0.666666...

Since the division goes on indefinitely without repeating, we round it to a desired decimal place. If you need the answer to a certain number of decimal places, you would stop at the desired place and round accordingly.

So, rounding to two decimal places, the decimal notation for 2/3 is approximately 0.67.