What is 10/9 minus 1/8?

Here we will show you how to calculate 10/9 minus 1/8. We will give you the answer in fraction form and in decimal form.
We label the numbers in 10/9 minus 1/8 like this:
10/9 - 1/8 = 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 10/9 minus 1/8 into the formula above, we get:
(10x8 - 9x1) / 9x8
(80 - 9) / 72
71/72
Thus, the answer to 10/9 minus 1/8 (simplified if necessary) in fraction form is as follows:
71/72
To get the answer to 10/9 minus 1/8 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
71 / 72 = 0.9861
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.