How to convert 42 8/10 to a decimal number?

Some mixed numbers, such as 42 8/10, 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 42 8/10 to a decimal number

  1. Multiply the whole number by the denominator: 42 × 10 = 420
  2. Add this result to the numerator: 420 + 8 = 428
  3. Divide the previous result by the denominator: 428 ÷ 10 = 42.8

So the mixed number 42 8 10 as a decimal is 42.8.

Please note that you can also express this result as a fraction by simplifying 428/10 = 214/5.