First let’s set up the problem:
216÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 2:
2 x 21 = 42
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:
162⋅21=1642 To display the answer to 16/2 Divided by 21 in decimal form, you can divide the numerator, 42, by the denominator, 16. The answer can be rounded to the nearest three decimal points, if needed:
1642=821=2.63 So, in decimal form, 16 divided by 2/21 = 2.63
And in its simplest fractional form, 16 divided by 2/21 is 21/8