What is the decimal equivalent of the fraction 2/3?

The decimal equivalent of the fraction 2/3 represents how many times the denominator (3) fits into the numerator (2), expressed in decimal form. To convert the fraction to a decimal, one can divide 2 by 3, which gives a result of approximately 0.6667. This value is commonly rounded to two decimal places, giving 0.67, but in the context of basic representation and depending on the level of precision required, 0.66 is often accepted as a close approximation.

Thus, 0.66 effectively captures the essence of the fraction in decimal format, making it the correct choice in this scenario. The other options represent decimal values that do not accurately reflect the division of 2 by 3.