How to convert 21 7/9 to a decimal number?

Some mixed numbers, such as 21 7/9, 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 7/9 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 9 = 189
  2. Add this result to the numerator: 189 + 7 = 196
  3. Divide the previous result by the denominator: 196 ÷ 9 = 21.777777777778

So the mixed number 21 7 9 as a decimal is 21.777777777778.

Please note that you can also express this result as a fraction: 196/9.