How to convert 21 2/7 to a decimal number?

Some mixed numbers, such as 21 2/7, 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 2/7 to a decimal number

  1. Multiply the whole number by the denominator: 21 × 7 = 147
  2. Add this result to the numerator: 147 + 2 = 149
  3. Divide the previous result by the denominator: 149 ÷ 7 = 21.285714285714

So the mixed number 21 2 7 as a decimal is 21.285714285714.

Please note that you can also express this result as a fraction: 149/7.