How to convert 30 9/9 to a decimal number?

Some mixed numbers, such as 30 9/9, 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 30 9/9 to a decimal number

  1. Multiply the whole number by the denominator: 30 × 9 = 270
  2. Add this result to the numerator: 270 + 9 = 279
  3. Divide the previous result by the denominator: 279 ÷ 9 = 31

So the mixed number 30 9 9 as a decimal is 31.

Please note that you can also express this result as a fraction by simplifying 279/9 = 31/1.