First let’s set up the problem:
1812÷45 Step 1:
Take the whole number, 45, and multiply it by the denominator of the fraction, 18:
18 x 45 = 810
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⋅45=12810 To display the answer to 12/18 Divided by 45 in decimal form, you can divide the numerator, 810, by the denominator, 12. The answer can be rounded to the nearest three decimal points, if needed:
12810=2135=67.5 So, in decimal form, 12 divided by 18/45 = 67.5
And in its simplest fractional form, 12 divided by 18/45 is 135/2