First let’s set up the problem:
1812÷51 Step 1:
Take the whole number, 51, and multiply it by the denominator of the fraction, 18:
18 x 51 = 918
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:
1218⋅51=12918 To display the answer to 12/18 Divided by 51 in decimal form, you can divide the numerator, 918, by the denominator, 12. The answer can be rounded to the nearest three decimal points, if needed:
12918=2153=76.5 So, in decimal form, 12 divided by 18/51 = 76.5
And in its simplest fractional form, 12 divided by 18/51 is 153/2