First let’s set up the problem:
85÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 8:
8 x 21 = 168
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:
58⋅21=5168 To display the answer to 5/8 Divided by 21 in decimal form, you can divide the numerator, 168, by the denominator, 5. The answer can be rounded to the nearest three decimal points, if needed:
5168=5168=33.6 So, in decimal form, 5 divided by 8/21 = 33.6
And in its simplest fractional form, 5 divided by 8/21 is 168/5