149 LearnersLast updated on May 26th, 2025
21% as a decimal
It is a simple question on decimal conversion. Firstly, we have to learn about percentages and decimals. A percentage represents a part out of 100, expressed with the symbol %. A decimal is a way to represent numbers that are not whole, using a decimal point to separate the whole part from the fractional part. The numbers to the left of the decimal point represent the whole, and those to the right represent the fractional part.
What is 21% as a decimal?
Answer
21% as a decimal is written as 0.21. This is not a recurring decimal, as it terminates after two decimal places.
Explanation
To convert 21% to a decimal, follow these steps:
Step 1: Understand that the percentage is a fraction out of 100. So, 21% is equivalent to 21/100.
Step 2: Divide the numerator (21) by the denominator (100) to convert it to a decimal.
Step 3: Perform the division 21 ÷ 100 = 0.21.
The answer for 21% as a decimal is 0.21.
Important Glossaries for 21% as a decimal
- Percentage: A numerical representation out of 100, denoted by the % symbol.
- Decimal: A number that uses the base ten and includes a decimal point to separate the whole part from the fractional part.
- Numerator: The top part of a fraction, indicating how many parts of the whole are being considered.
- Denominator: The bottom part of a fraction, showing how many parts make up a whole.
- Terminating Decimal: A decimal that ends and does not repeat infinitely.
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