How to convert 20 1/8 to a decimal number?

Some mixed numbers, such as 20 1/8, 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 1/8 to a decimal number

  1. Multiply the whole number by the denominator: 20 × 8 = 160
  2. Add this result to the numerator: 160 + 1 = 161
  3. Divide the previous result by the denominator: 161 ÷ 8 = 20.125

So the mixed number 20 1 8 as a decimal is 20.125.

Please note that you can also express this result as a fraction: 161/8.