0.4 as a Fraction

Learn how to convert the decimal number 0.4 to a fraction. We'll show you the answer and walk through the conversion process step by step.

Answer:

0.4 = ²/₅

0.4 as a fraction is 2/5

Follow these steps to convert 0.4 to a fraction:

Step 1

Start by writing 0.4 as a fraction with 1 as the denominator:

0.4 = 0.4/1

Step 2

Since there are 1 digit(s) after the decimal point, multiply both numerator and denominator by 10:

(0.4 × 10) / (1 × 10) = 4/10

Step 3

Find the Greatest Common Divisor (GCD) of 4 and 10, which is 2. Divide both numerator and denominator by 2:

(4 ÷ 2) / (10 ÷ 2) = 2/5

Final Answer: 0.4 = 2/5