The mixed number 138 8/40 as a decimal is equal to 138.2
To convert the mixed number 138 8/40 into a decimal number, you can follow these steps:
First, convert the fractional part 8/40 to decimal form by dividing the numerator by the denominator: 8 ÷ 40 = 0.2
Then, add the resulting decimal to the integer part of the mixed number: 138 + 0.2
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 138 8/40 as a decimal is 138.2.
See also: 138 8/40 as an improper fraction