One number is the reciprocal of another if their product is 1.
The reciprocal of
is
since
The reciprocal of a fraction is obtained by interchanging the numerator and the denominator, i.e. by inverting the fraction.
Find the reciprocal of
Solution:
The reciprocal of is
Find the reciprocal of 20
Solution:
The reciprocal of 20 is
Find the reciprocal of