First let’s set up the problem:
312÷13 Step 1:
Take the whole number, 13, and multiply it by the denominator of the fraction, 3:
3 x 13 = 39
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:
123⋅13=1239 To display the answer to 12/3 Divided by 13 in decimal form, you can divide the numerator, 39, by the denominator, 12. The answer can be rounded to the nearest three decimal points, if needed:
1239=413=3.25 So, in decimal form, 12 divided by 3/13 = 3.25
And in its simplest fractional form, 12 divided by 3/13 is 13/4