First let’s set up the problem:
125÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 12:
12 x 21 = 252
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:
512⋅21=5252 To display the answer to 5/12 Divided by 21 in decimal form, you can divide the numerator, 252, by the denominator, 5. The answer can be rounded to the nearest three decimal points, if needed:
5252=5252=50.4 So, in decimal form, 5 divided by 12/21 = 50.4
And in its simplest fractional form, 5 divided by 12/21 is 252/5