First let’s set up the problem:
820÷78 Step 1:
Take the whole number, 78, and multiply it by the denominator of the fraction, 8:
8 x 78 = 624
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:
208⋅78=20624 To display the answer to 20/8 Divided by 78 in decimal form, you can divide the numerator, 624, by the denominator, 20. The answer can be rounded to the nearest three decimal points, if needed:
20624=5156=31.2 So, in decimal form, 20 divided by 8/78 = 31.2
And in its simplest fractional form, 20 divided by 8/78 is 156/5