First let’s set up the problem:
420÷79 Step 1:
Take the whole number, 79, and multiply it by the denominator of the fraction, 4:
4 x 79 = 316
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⋅79=20316 To display the answer to 20/4 Divided by 79 in decimal form, you can divide the numerator, 316, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
20316=579=15.8 So, in decimal form, 20 divided by 4/79 = 15.8
And in its simplest fractional form, 20 divided by 4/79 is 79/5