First let’s set up the problem:
129÷40 Step 1:
Take the whole number, 40, and multiply it by the denominator of the fraction, 12:
12 x 40 = 480
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⋅40=9480 To display the answer to 9/12 Divided by 40 in decimal form, you can divide the numerator, 480, by the denominator, 9. The answer can be rounded to the nearest three decimal points, if needed:
9480=3160=53.33 So, in decimal form, 9 divided by 12/40 = 53.33
And in its simplest fractional form, 9 divided by 12/40 is 160/3