First let’s set up the problem:
1215÷43 Step 1:
Take the whole number, 43, and multiply it by the denominator of the fraction, 12:
12 x 43 = 516
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⋅43=15516 To display the answer to 15/12 Divided by 43 in decimal form, you can divide the numerator, 516, by the denominator, 15. The answer can be rounded to the nearest three decimal points, if needed:
15516=5172=34.4 So, in decimal form, 15 divided by 12/43 = 34.4
And in its simplest fractional form, 15 divided by 12/43 is 172/5