First let’s set up the problem:
104÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 10:
10 x 21 = 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:
410⋅21=4210 To display the answer to 4/10 Divided by 21 in decimal form, you can divide the numerator, 210, by the denominator, 4. The answer can be rounded to the nearest three decimal points, if needed:
4210=2105=52.5 So, in decimal form, 4 divided by 10/21 = 52.5
And in its simplest fractional form, 4 divided by 10/21 is 105/2