Question

Write the successor and the predecessor of the following numbers.

$456$

Answer 1

Predecessor: The predecessor of a natural number is one less than the given number.

So, the predecessor of $456$ is $=456-1=455$

Successor: The successor of a natural number is one greater than the given number..

So, the successor of $456$ is$=456+1=457$

Hence, the successor and the predecessor of $456$ are $457and455$ respectively.