How to convert 21 2/6 to a decimal number?

Some mixed numbers, such as 21 2/6, 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 2/6 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 6 = 126
  2. Add this result to the numerator: 126 + 2 = 128
  3. Divide the previous result by the denominator: 128 ÷ 6 = 21.333333333333

So the mixed number 21 2 6 as a decimal is 21.333333333333.

Please note that you can also express this result as a fraction by simplifying 128/6 = 64/3.