The mixed number 21 2/6 as a decimal is equal to 21.333333
To convert the mixed number 21 2/6 into a decimal number, you can follow these steps:
First, convert the fractional part 2/6 to decimal form by dividing the numerator by the denominator: 2 ÷ 6 ≈ 0.3333333333...
Then, add the resulting decimal to the integer part of the mixed number: 21 + 0.3333333333...
Alternatively, you can convert mixed numbers to improper fractions first and then convert the improper fraction to a decimal. The calculation formula is as follows:
Therefore, 21 2/6 is approximately equal to the decimal 21.3333333333... If a specific number of decimal places is required, rounding to 21.33 would be appropriate.
See also: 21 2/6 as an improper fraction