Question

Find the reciprocal of the following:
$5\frac{4}{7}$

Answer 1

Solution:-

$5\frac{4}{7}=\frac{(7\times 5)+4}{7}=\frac{39}{7}$

As we know, reciprocal of a number can be calculated as 1 divided by that number.

$\therefore \text{Reciprocal of}\frac{39}{7}=1÷\frac{39}{7}=\frac{1}{\left(\frac{39}{7}\right)}=\frac{7}{39}$