Question

Find the reciprocal of the number : 18/7

a. 7/18
b. 1/18/7
c. 18/7
d. reciprocal does not exist

Answer 1

a. 7/18, because you find reciprocal by flipping denominator and numerator

Answer 2

The reciprocal of the number 18/7 is 7/18, which is obtained by flipping the numerator and denominator of the fraction.

Step-by-step explanation:

To find the reciprocal of the number 18/7, you simply flip the numerator and the denominator. The reciprocal of a fraction a/b is b/a. Therefore, the reciprocal of 18/7 is 7/18.

The concept of reciprocal is fundamental in mathematics, especially when it comes to division and multiplying fractions. If you multiply a number by its reciprocal, you get 1. Remember, any non-zero number has a reciprocal, but zero does not have a reciprocal because division by zero is undefined.