First let’s set up the problem:
138÷90 Step 1:
Take the whole number, 90, and multiply it by the denominator of the fraction, 13:
13 x 90 = 1170
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:
813⋅90=81170 To display the answer to 8/13 Divided by 90 in decimal form, you can divide the numerator, 1170, by the denominator, 8. The answer can be rounded to the nearest three decimal points, if needed:
81170=4585=146.25 So, in decimal form, 8 divided by 13/90 = 146.25
And in its simplest fractional form, 8 divided by 13/90 is 585/4