How to convert 21 10/10 to a decimal number?

Some mixed numbers, such as 21 10/10, 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 10/10 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 10 = 210
  2. Add this result to the numerator: 210 + 10 = 220
  3. Divide the previous result by the denominator: 220 ÷ 10 = 22

So the mixed number 21 10 10 as a decimal is 22.

Please note that you can also express this result as a fraction by simplifying 220/10 = 22/1.