4/3
JUST TURN THE FRACTION UPSIDE DOWN TO GET THE RECIPROCAL AND IF THE GIVEN IS MIXED NUMBER CONVERT IT INTO IMPROPER FRACTION THEN TURN UPSIDE DOWN.
For example what are the reciprocal of 3/9 and 1 5/6?
3/9 = 9/3
1 5/6 = 11/6 = 6/11
If you want to learn more, just visit my answer regarding the reciprocal of a fraction
