What is 8/1 minus 9/1?
Here we will show you how to calculate 8/1 minus 9/1. We will give you the answer in fraction form and in decimal form.
We label the numbers in 8/1 minus 9/1 like this:
8/1 - 9/1 = A/B - C/D
We will use a formula that does not require you to find the lowest common denominator to find the solution. The formula is:
(AD - BC) / BD
When we fill in 8/1 minus 9/1 into the formula above, we get:
(8x1 - 1x9) / 1x1
(8 - 9) / 1
-1/1
Thus, the answer to 8/1 minus 9/1 (simplified if necessary) in fraction form is as follows:
-1
To get the answer to 8/1 minus 9/1 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-1 / 1 = -1
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.