First let’s set up the problem:
1215÷87 Step 1:
Take the whole number, 87, and multiply it by the denominator of the fraction, 12:
12 x 87 = 1044
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⋅87=151044 To display the answer to 15/12 Divided by 87 in decimal form, you can divide the numerator, 1044, by the denominator, 15. The answer can be rounded to the nearest three decimal points, if needed:
151044=5348=69.6 So, in decimal form, 15 divided by 12/87 = 69.6
And in its simplest fractional form, 15 divided by 12/87 is 348/5