Answer :
Let's say we have 4/3, the reciprocal is the flipped version of the original fraction, so the reciprocal of 4/3 is 3/4.
More examples: 2/9 become 9/2
5/18 become 18/5
567/900 becomes 900/567
More examples: 2/9 become 9/2
5/18 become 18/5
567/900 becomes 900/567
Reciprocal is most simply known as just flipping the denominator and numerator on.