# Division

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**Division** is an arithmetic operation which is the inverse of multiplication. It could also be like repeated subtraction

## Symbols

The symbol for division can be /.

## In Real Life

In real life, division is widely used in computing the average price of products, and checking which item is a better buy.

## Estimation

Estimation in division is quite different from the others. Round off the divisor to a round number, like 79 to 80, and the dividend to a round multiple of the divisor, like 5578 to 5600. So, the quotient of 5578/79 is about 5600/80 which is 70.

### Answer

The answer to a division problem is called the quotient.

Division by zero is undefined (infinity in some recent programming languages).