First let’s set up the problem:
818÷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:
188⋅21=18168 To display the answer to 18/8 Divided by 21 in decimal form, you can divide the numerator, 168, by the denominator, 18. The answer can be rounded to the nearest three decimal points, if needed:
18168=328=9.33 So, in decimal form, 18 divided by 8/21 = 9.33
And in its simplest fractional form, 18 divided by 8/21 is 28/3