What is 4/9 minus 2/1?
Here we will show you how to calculate 4/9 minus 2/1. We will give you the answer in fraction form and in decimal form.
We label the numbers in 4/9 minus 2/1 like this:
4/9 - 2/1 = 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 4/9 minus 2/1 into the formula above, we get:
(4x1 - 9x2) / 9x1
(4 - 18) / 9
-14/9
Thus, the answer to 4/9 minus 2/1 (simplified if necessary) in fraction form is as follows:
-1 5/9
To get the answer to 4/9 minus 2/1 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-14 / 9 = -1.5556
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.