What is 8/4 minus 7/1?
Here we will show you how to calculate 8/4 minus 7/1. We will give you the answer in fraction form and in decimal form.
We label the numbers in 8/4 minus 7/1 like this:
8/4 - 7/1 = 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 8/4 minus 7/1 into the formula above, we get:
(8x1 - 4x7) / 4x1
(8 - 28) / 4
-20/4
Thus, the answer to 8/4 minus 7/1 (simplified if necessary) in fraction form is as follows:
-5
To get the answer to 8/4 minus 7/1 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-20 / 4 = -5
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.