First let’s set up the problem:
910÷21 Step 1:
Take the whole number, 21, and multiply it by the denominator of the fraction, 9:
9 x 21 = 189
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:
109⋅21=10189 To display the answer to 10/9 Divided by 21 in decimal form, you can divide the numerator, 189, by the denominator, 10. The answer can be rounded to the nearest three decimal points, if needed:
10189=10189=18.9 So, in decimal form, 10 divided by 9/21 = 18.9
And in its simplest fractional form, 10 divided by 9/21 is 189/10