First let’s set up the problem:
512÷31 Step 1:
Take the whole number, 31, and multiply it by the denominator of the fraction, 5:
5 x 31 = 155
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:
125⋅31=12155 To display the answer to 12/5 Divided by 31 in decimal form, you can divide the numerator, 155, by the denominator, 12. The answer can be rounded to the nearest three decimal points, if needed:
12155=12155=12.92 So, in decimal form, 12 divided by 5/31 = 12.92
And in its simplest fractional form, 12 divided by 5/31 is 155/12