What is 8/9 minus 8/4?
Here we will show you how to calculate 8/9 minus 8/4. We will give you the answer in fraction form and in decimal form.
We label the numbers in 8/9 minus 8/4 like this:
8/9 - 8/4 = 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 8/9 minus 8/4 into the formula above, we get:
(8x4 - 9x8) / 9x4
(32 - 72) / 36
-40/36
Thus, the answer to 8/9 minus 8/4 (simplified if necessary) in fraction form is as follows:
-1 1/9
To get the answer to 8/9 minus 8/4 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-40 / 36 = -1.1111
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.