Answer:
11
Explanation:
Now, the numbers are 6⁄10 and 8⁄12, so the required rational number can be in between these numbers. The numerator and denominator of the required number should be between the given number, i.e., numerator can be 7 and denominator can be 11. Hence, the rational between 3⁄5 and 2⁄3 is 7⁄11.