**Successor in Maths – Definition**

**Successor in Maths**** – **Successor of any whole number, is the number, obtained by adding 1 to that number.

**Predecessor in Maths – Definition**

**Predecessor in Maths**** – **Predecessor of any whole number is the number obtained by subtracting 1 from it.

### Successor in Maths – Finding Successor of a Number

**Question : -1**

Find the successor of 12568 ?

**Explanation : –**

The “Successor” of any whole number is the number, obtained by adding 1 to that number.

So, the successor of 12568 is 12568 + 1 = 12569

**Question : -2**

Find the successor of 20257?

**Explanation : –**

The “Successor” of any whole number is the number, obtained by adding 1 to that number.

So, the successor of 20257 is 20257 + 1 = 20258

**Predecessor in Maths – Finding Predecessor of a Number**

**Question : – 3**

Find the predecessor of 437?

**Explanation : –**

The “Predecessor” of any whole number, is the number obtained by subtracting 1 from it.

So, the predecessor of 437 is 437 – 1 = 436

**Question : – 4**

Find the predecessor of 18153?

**Explanation : –**

The “Predecessor” of any whole number is the number obtained by subtracting 1 from it.

So, the predecessor of 18153 is 18153 – 1 = 18152