First let’s set up the problem:
520÷42 Step 1:
Take the whole number, 42, and multiply it by the denominator of the fraction, 5:
5 x 42 = 210
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:
205⋅42=20210 To display the answer to 20/5 Divided by 42 in decimal form, you can divide the numerator, 210, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
20210=221=10.5 So, in decimal form, 20 divided by 5/42 = 10.5
And in its simplest fractional form, 20 divided by 5/42 is 21/2