Convert a ratio to a decimal this calculator shows the steps and work to convert a fraction to a decimal number how to convert a fraction to a decimal in a fraction the fraction bar means divided by so to find the decimal equivalent of a fraction like 1 4 you need to solve the math problem 1 divided by 4 1 4 025. Top answer wiki user answered 2017 11 09 134804 what is the fraction 120 over 8 written as a decimal how do you write the fraction 1 over 8 as a decimal125 half of 25 or 1 4. Another method yet another method you may like is to follow these steps step 1 find a number you can multiply by the bottom of the fraction to make it 10 or 100 or 1000 or any 1 followed by 0s step 2 multiply both top and bottom by that number step 3then write down just the top number putting the decimal point in the correct spot one space from the right hand side for every zero . So to convert a fraction to a decimal divide the numerator by the denominator if required you can use a calculator to do this this will give us our answer as a decimal