How to convert 20 7/7 to a decimal number?

Some mixed numbers, such as 20 7/7, 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 20 7/7 to a decimal number

  1. Multiply the whole number by the denominator: 20 × 7 = 140
  2. Add this result to the numerator: 140 + 7 = 147
  3. Divide the previous result by the denominator: 147 ÷ 7 = 21

So the mixed number 20 7 7 as a decimal is 21.

Please note that you can also express this result as a fraction by simplifying 147/7 = 21/1.