First let’s set up the problem:
2128÷5 Step 1:
Take the whole number, 5, and multiply it by the denominator of the fraction, 21:
21 x 5 = 105
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:
2821⋅5=28105 To display the answer to 28/21 Divided by 5 in decimal form, you can divide the numerator, 105, by the denominator, 28. The answer can be rounded to the nearest three decimal points, if needed:
28105=415=3.75 So, in decimal form, 28 divided by 21/5 = 3.75
And in its simplest fractional form, 28 divided by 21/5 is 15/4