Answer: 4/6, 6/9, 8/12, 10/15 ... are equivalent to 2/3. All those fractions obtained by multiplying both the numerator and denominator of 2/3 by the same number are equivalent to 2/3. All equivalent fractions get reduced to the same fraction in their simplest form.
What kind of fraction is 2/3 4?
23, 34, 45, 56, 67, 29 58, 25, etc are proper fractions. Two parts are shaded in the above diagram. Total number of equal parts is 3.