What is 7/2 minus 5/7?
Here we will show you how to calculate 7/2 minus 5/7. We will give you the answer in fraction form and in decimal form.
We label the numbers in 7/2 minus 5/7 like this:
7/2 - 5/7 = 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 7/2 minus 5/7 into the formula above, we get:
(7x7 - 2x5) / 2x7
(49 - 10) / 14
39/14
Thus, the answer to 7/2 minus 5/7 (simplified if necessary) in fraction form is as follows:
2 11/14
To get the answer to 7/2 minus 5/7 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
39 / 14 = 2.7857
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.