What is 2/3 minus 8/7?
Here we will show you how to calculate 2/3 minus 8/7. We will give you the answer in fraction form and in decimal form.
We label the numbers in 2/3 minus 8/7 like this:
2/3 - 8/7 = 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 2/3 minus 8/7 into the formula above, we get:
(2x7 - 3x8) / 3x7
(14 - 24) / 21
-10/21
Thus, the answer to 2/3 minus 8/7 (simplified if necessary) in fraction form is as follows:
-10/21
To get the answer to 2/3 minus 8/7 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-10 / 21 = -0.4762
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.