What is 3/9 minus 5/9?

Here we will show you how to calculate 3/9 minus 5/9. We will give you the answer in fraction form and in decimal form.
We label the numbers in 3/9 minus 5/9 like this:
3/9 - 5/9 = 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 3/9 minus 5/9 into the formula above, we get:
(3x9 - 9x5) / 9x9
(27 - 45) / 81
-18/81
Thus, the answer to 3/9 minus 5/9 (simplified if necessary) in fraction form is as follows:
-2/9
To get the answer to 3/9 minus 5/9 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-18 / 81 = -0.2222
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.