First let’s set up the problem:
416÷81 Step 1:
Take the whole number, 81, and multiply it by the denominator of the fraction, 4:
4 x 81 = 324
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:
164⋅81=16324 To display the answer to 16/4 Divided by 81 in decimal form, you can divide the numerator, 324, by the denominator, 16. The answer can be rounded to the nearest three decimal points, if needed:
16324=481=20.25 So, in decimal form, 16 divided by 4/81 = 20.25
And in its simplest fractional form, 16 divided by 4/81 is 81/4