What is 7/7 minus 10/9?
Here we will show you how to calculate 7/7 minus 10/9. We will give you the answer in fraction form and in decimal form.
We label the numbers in 7/7 minus 10/9 like this:
7/7 - 10/9 = 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 7/7 minus 10/9 into the formula above, we get:
(7x9 - 7x10) / 7x9
(63 - 70) / 63
-7/63
Thus, the answer to 7/7 minus 10/9 (simplified if necessary) in fraction form is as follows:
-1/9
To get the answer to 7/7 minus 10/9 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-7 / 63 = -0.1111
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.