First let’s set up the problem:
420÷31 Step 1:
Take the whole number, 31, and multiply it by the denominator of the fraction, 4:
4 x 31 = 124
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⋅31=20124 To display the answer to 20/4 Divided by 31 in decimal form, you can divide the numerator, 124, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
20124=531=6.2 So, in decimal form, 20 divided by 4/31 = 6.2
And in its simplest fractional form, 20 divided by 4/31 is 31/5