How to convert 40 2/10 to a decimal number?

Some mixed numbers, such as 40 2/10, represent a value that can also be expressed as a decimal (which can make certain calculations and comparisons easier to perform).

Step-by-step conversion of 40 2/10 to a decimal number

  1. Multiply the whole number by the denominator: 40 × 10 = 400
  2. Add this result to the numerator: 400 + 2 = 402
  3. Divide the previous result by the denominator: 402 ÷ 10 = 40.2

So the mixed number 40 2 10 as a decimal is 40.2.

Please note that you can also express this result as a fraction by simplifying 402/10 = 201/5.