The mixed number 21 24/10 as a decimal is equal to 23.4
To convert the mixed number 21 24/10 into a decimal number, you can follow these steps:
First, convert the fractional part 24/10 to decimal form by dividing the numerator by the denominator: 24 ÷ 10 = 2.4
Then, add the resulting decimal to the integer part of the mixed number: 21 + 2.4
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, the mixed number 21 24/10 as a decimal is 23.4.
See also: 21 24/10 as an improper fraction