First let’s set up the problem:
420÷72 Step 1:
Take the whole number, 72, and multiply it by the denominator of the fraction, 4:
4 x 72 = 288
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:
204⋅72=20288 To display the answer to 20/4 Divided by 72 in decimal form, you can divide the numerator, 288, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
20288=572=14.4 So, in decimal form, 20 divided by 4/72 = 14.4
And in its simplest fractional form, 20 divided by 4/72 is 72/5