First let’s set up the problem:
231÷42 Step 1:
Take the whole number, 42, and multiply it by the denominator of the fraction, 2:
2 x 42 = 84
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:
312⋅42=3184 To display the answer to 31/2 Divided by 42 in decimal form, you can divide the numerator, 84, by the denominator, 31. The answer can be rounded to the nearest three decimal points, if needed:
3184=3184=2.71 So, in decimal form, 31 divided by 2/42 = 2.71
And in its simplest fractional form, 31 divided by 2/42 is 84/31