How to convert 18 8/4 to a decimal number?

Some mixed numbers, such as 18 8/4, 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 18 8/4 to a decimal number

  1. Multiply the whole number by the denominator: 18 × 4 = 72
  2. Add this result to the numerator: 72 + 8 = 80
  3. Divide the previous result by the denominator: 80 ÷ 4 = 20

So the mixed number 18 8 4 as a decimal is 20.

Please note that you can also express this result as a fraction by simplifying 80/4 = 20/1.