First let’s set up the problem:
1315÷31 Step 1:
Take the whole number, 31, and multiply it by the denominator of the fraction, 13:
13 x 31 = 403
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:
1513⋅31=15403 To display the answer to 15/13 Divided by 31 in decimal form, you can divide the numerator, 403, by the denominator, 15. The answer can be rounded to the nearest three decimal points, if needed:
15403=15403=26.87 So, in decimal form, 15 divided by 13/31 = 26.87
And in its simplest fractional form, 15 divided by 13/31 is 403/15