What is 8/9 minus 2/7?
Here we will show you how to calculate 8/9 minus 2/7. We will give you the answer in fraction form and in decimal form.
We label the numbers in 8/9 minus 2/7 like this:
8/9 - 2/7 = 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 2/7 into the formula above, we get:
(8x7 - 9x2) / 9x7
(56 - 18) / 63
38/63
Thus, the answer to 8/9 minus 2/7 (simplified if necessary) in fraction form is as follows:
38/63
To get the answer to 8/9 minus 2/7 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
38 / 63 = 0.6032
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.