Final answer:
A reciprocal is the multiplicative inverse of a number. To find the reciprocal of a number, you simply flip the numerator and denominator. Reciprocals are useful in many mathematical operations.
Step-by-step explanation:
A reciprocal is the multiplicative inverse of a number. In other words, it is a number that, when multiplied by the original number, equals 1. For example, the reciprocal of 2 is 1/2, and the reciprocal of 1/4 is 4.
To find the reciprocal of a number, you simply flip the numerator and denominator. For example, to find the reciprocal of 3/5, you would get 5/3.
Reciprocals are useful in many mathematical operations, such as dividing fractions, solving equations, and finding the slope of a line.