First let’s set up the problem:
156÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 15:
15 x 21 = 315
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:
615⋅21=6315 To display the answer to 6/15 Divided by 21 in decimal form, you can divide the numerator, 315, by the denominator, 6. The answer can be rounded to the nearest three decimal points, if needed:
6315=2105=52.5 So, in decimal form, 6 divided by 15/21 = 52.5
And in its simplest fractional form, 6 divided by 15/21 is 105/2