First let’s set up the problem:
512÷78 Step 1:
Take the whole number, 78, and multiply it by the denominator of the fraction, 5:
5 x 78 = 390
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:
125⋅78=12390 To display the answer to 12/5 Divided by 78 in decimal form, you can divide the numerator, 390, by the denominator, 12. The answer can be rounded to the nearest three decimal points, if needed:
12390=265=32.5 So, in decimal form, 12 divided by 5/78 = 32.5
And in its simplest fractional form, 12 divided by 5/78 is 65/2