How to convert 21 4/2 to a decimal number?

Some mixed numbers, such as 21 4/2, 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 21 4/2 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 2 = 42
  2. Add this result to the numerator: 42 + 4 = 46
  3. Divide the previous result by the denominator: 46 ÷ 2 = 23

So the mixed number 21 4 2 as a decimal is 23.

Please note that you can also express this result as a fraction by simplifying 46/2 = 23/1.