First let’s set up the problem:
1213÷31 Step 1:
Take the whole number, 31, and multiply it by the denominator of the fraction, 12:
12 x 31 = 372
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:
1312⋅31=13372 To display the answer to 13/12 Divided by 31 in decimal form, you can divide the numerator, 372, by the denominator, 13. The answer can be rounded to the nearest three decimal points, if needed:
13372=13372=28.62 So, in decimal form, 13 divided by 12/31 = 28.62
And in its simplest fractional form, 13 divided by 12/31 is 372/13