What is 5/8 minus 7/9?

Here we will show you how to calculate 5/8 minus 7/9. We will give you the answer in fraction form and in decimal form.
We label the numbers in 5/8 minus 7/9 like this:
5/8 - 7/9 = 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 5/8 minus 7/9 into the formula above, we get:
(5x9 - 8x7) / 8x9
(45 - 56) / 72
-11/72
Thus, the answer to 5/8 minus 7/9 (simplified if necessary) in fraction form is as follows:
-11/72
To get the answer to 5/8 minus 7/9 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-11 / 72 = -0.1528
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.