First let’s set up the problem:
1215÷27 Step 1:
Take the whole number, 27, and multiply it by the denominator of the fraction, 12:
12 x 27 = 324
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:
1512⋅27=15324 To display the answer to 15/12 Divided by 27 in decimal form, you can divide the numerator, 324, by the denominator, 15. The answer can be rounded to the nearest three decimal points, if needed:
15324=5108=21.6 So, in decimal form, 15 divided by 12/27 = 21.6
And in its simplest fractional form, 15 divided by 12/27 is 108/5