First let’s set up the problem:
120÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 1:
1 x 21 = 21
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:
201⋅21=2021 To display the answer to 20/1 Divided by 21 in decimal form, you can divide the numerator, 21, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
2021=2021=1.05 So, in decimal form, 20 divided by 1/21 = 1.05
And in its simplest fractional form, 20 divided by 1/21 is 21/20