What is 4/5 as a decimal?
A decimal number can be defined as a number whose whole number part and the fractional part is separated by a decimal point.
Answer: 4/5 as a decimal is 0.8
Let's look into the two methods to write 4/5 as a decimal.
Explanation:
Method 1: Writing 4/5 as a decimal using division method
To convert any fraction to decimal form, we just need to divide its numerator by denominator.
Here, the fraction is 4/5 which means we need to perform 4 ÷ 5
This gives the answer as 0.8. So, 4/5 as a decimal is 0.8
Method 2: Writing 4/5 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.
4/5 = (4 × 2) / (5 × 2) = 8/10 = 0.8
Irrespective of the methods used, the answer to 4/5 as a decimal will always remain the same.
You can also verify your answer using Cuemath's Fraction to Decimal Calculator.