How to Subtract Two Numbers in Python

To subtract two numbers in Python, you can use the subtraction operator –. You can subtract integers, floats, and decimal variables.

a = 1
b = 2

c = a - b

print(c)

#Output:
-1

One of the most fundamental operations in programming is performing different calculations and math.

You can easily subtract two numbers in Python with the – subtraction operator.

You can subtract integers, floats, and decimal variables in Python with –.

The rest of this article will show you examples of how you can use – to subtract two numbers in Python.

How to Subtract Two Integers in Python

The most basic use of – is if you have two integers and you want to subtract them together.

Below shows you a simple example of using – to subtract two integers in Python.

a = 1
b = 2

c = a - b

print(c)

#Output:
-1

How to Subtract Two Floats in Python

Another type of number that you can use in Python is a floating point number. Floats allow you to create numbers which have a decimal portion.

Below shows you a simple example of using – to subtract two floats in Python.

a = 1.0
b = 2.0

c = a - b

print(c)

#Output:
-1.0

How to Subtract a Float and an Integer in Python

You can subtract a float and an integer together with –. The result will be a float.

Below shows you how to subtract a float and an integer together in Python.

a = 1
b = 2.0

c = a - b

print(c)

#Output:
-1.0

How to Subtract Two Decimals in Python

Another type of number that you can use in Python is a decimal. The decimal module provides support for fast correctly rounded decimal floating point arithmetic
b
Below shows you a simple example of using – to subtract two decimals in Python.

from decimal import *

a = Decimal('1.01')
b = Decimal('2.02')

c = a - b

print(c)

#Output:
-1.01

Hopefully this article has been useful for you to learn how to subtract two numbers in Python.