First let’s set up the problem:
1815÷31 Step 1:
Take the whole number, 31, and multiply it by the denominator of the fraction, 18:
18 x 31 = 558
Step 2:
The result of this multiplication will now become the denominator of the answer. The answer to the problem in fraction form can now be seen:
1518⋅31=15558 To display the answer to 15/18 Divided by 31 in decimal form, you can divide the numerator, 558, by the denominator, 15. The answer can be rounded to the nearest three decimal points, if needed:
15558=5186=37.2 So, in decimal form, 15 divided by 18/31 = 37.2
And in its simplest fractional form, 15 divided by 18/31 is 186/5