First let’s set up the problem:
1215÷99 Step 1:
Take the whole number, 99, and multiply it by the denominator of the fraction, 12:
12 x 99 = 1188
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⋅99=151188 To display the answer to 15/12 Divided by 99 in decimal form, you can divide the numerator, 1188, by the denominator, 15. The answer can be rounded to the nearest three decimal points, if needed:
151188=5396=79.2 So, in decimal form, 15 divided by 12/99 = 79.2
And in its simplest fractional form, 15 divided by 12/99 is 396/5