The mixed number 309 420/1000 as a decimal is equal to 309.42
To convert the mixed number 309 420/1000 into a decimal number, you can follow these steps:
First, convert the fractional part 420/1000 to decimal form by dividing the numerator by the denominator: 420 ÷ 1000 = 0.42
Then, add the resulting decimal to the integer part of the mixed number: 309 + 0.42
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 309 420/1000 as a decimal is 309.42.
See also: 309 420/1000 as an improper fraction