First let’s set up the problem:
129÷80 Step 1:
Take the whole number, 80, and multiply it by the denominator of the fraction, 12:
12 x 80 = 960
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:
912⋅80=9960 To display the answer to 9/12 Divided by 80 in decimal form, you can divide the numerator, 960, by the denominator, 9. The answer can be rounded to the nearest three decimal points, if needed:
9960=3320=106.67 So, in decimal form, 9 divided by 12/80 = 106.67
And in its simplest fractional form, 9 divided by 12/80 is 320/3