How to convert 21 1/10 to a decimal number?

Some mixed numbers, such as 21 1/10, 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 1/10 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 10 = 210
  2. Add this result to the numerator: 210 + 1 = 211
  3. Divide the previous result by the denominator: 211 ÷ 10 = 21.1

So the mixed number 21 1 10 as a decimal is 21.1.

Please note that you can also express this result as a fraction: 211/10.