What is 2/9 minus 1/1?

Here we will show you how to calculate 2/9 minus 1/1. We will give you the answer in fraction form and in decimal form.
We label the numbers in 2/9 minus 1/1 like this:
2/9 - 1/1 = 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 2/9 minus 1/1 into the formula above, we get:
(2x1 - 9x1) / 9x1
(2 - 9) / 9
-7/9
Thus, the answer to 2/9 minus 1/1 (simplified if necessary) in fraction form is as follows:
-7/9
To get the answer to 2/9 minus 1/1 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-7 / 9 = -0.7778
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.