# What is 4/10 as a decimal?

A fraction can be a portion or section of any quantity out of a whole. We will express 4/10 as a decimal.

## Answer: The fraction 4/10 written as a decimal number is equal to 0.4.

Let's convert 4/10 as a decimal using the following two methods.

**Explanation:**

### Method 1: Writing 4/10 as a decimal using the division method

To convert any fraction to decimal form, we just need to divide its numerator by denominator.

Here, the fraction is 4/10 which means we need to perform 4 ÷ 10

4/10 = 4 ÷ 10 = 0.4

This gives the answer as 0.4. So, 4/10 as a decimal is 0.4

### Method 2: Writing 4/10 as a decimal by converting the denominator to powers of 10

Step 1: Find a number such that we can multiply by the denominator of the fraction to make it 10 or 100 or 1000 and so on.

Step 2: Multiply both numerator and denominator by that number to convert it into it's an equivalent fraction.

Step 3: Then write down just the numerator, putting the decimal point in the correct place, that is, one space from the right-hand side for every zero in the denominator.

4/10 = (4 × 1) / (10 × 1) = 4/10 = 0.4

Irrespective of the methods used, the answer to 4/10 as a decimal will always remain the same.

You can also verify your answer using Cuemath's Fraction to Decimal Calculator.