How to convert 21 9/6 to a decimal number?

Some mixed numbers, such as 21 9/6, 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 9/6 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 6 = 126
  2. Add this result to the numerator: 126 + 9 = 135
  3. Divide the previous result by the denominator: 135 ÷ 6 = 22.5

So the mixed number 21 9 6 as a decimal is 22.5.

Please note that you can also express this result as a fraction by simplifying 135/6 = 45/2.