What is 1/7 minus 3/1?
Here we will show you how to calculate 1/7 minus 3/1. We will give you the answer in fraction form and in decimal form.
We label the numbers in 1/7 minus 3/1 like this:
1/7 - 3/1 = 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 1/7 minus 3/1 into the formula above, we get:
(1x1 - 7x3) / 7x1
(1 - 21) / 7
-20/7
Thus, the answer to 1/7 minus 3/1 (simplified if necessary) in fraction form is as follows:
-2 6/7
To get the answer to 1/7 minus 3/1 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-20 / 7 = -2.8571
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.