First let’s set up the problem:
1512÷3 Step 1:
Take the whole number, 3, and multiply it by the denominator of the fraction, 15:
15 x 3 = 45
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:
1215⋅3=1245 To display the answer to 12/15 Divided by 3 in decimal form, you can divide the numerator, 45, by the denominator, 12. The answer can be rounded to the nearest three decimal points, if needed:
1245=415=3.75 So, in decimal form, 12 divided by 15/3 = 3.75
And in its simplest fractional form, 12 divided by 15/3 is 15/4