Solution: 31/40 as a decimal is 0.78MethodsExplanation using the division method:A fraction is usually split into two parts: the first part is the number on top, called the numerator; and the second part is the number on the bottom, called the denominator. These are both separated by a line called the “divisor line”. We can use the division method help to solve this question: to get a decimal, simply divide the numerator 31 by the denominator 40 (which you can enter in any calculator):31 (numerator) ÷ 40 (denominator) = 0.78And finally, you get 0.78 as your answer when you convert 31/40 to a decimal.Practice more conversion problemsAll it takes to be better at something is some practice! Take a look at some more similar problems on converting fractions to decimals and give them a go:What is 80/92 as a decimal?What is 70/119 as a decimal?What is 3/83 as a decimal?What is 96/52 as a decimal?