What is 9/10 minus 4/2?
Here we will show you how to calculate 9/10 minus 4/2. We will give you the answer in fraction form and in decimal form.
We label the numbers in 9/10 minus 4/2 like this:
9/10 - 4/2 = 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 9/10 minus 4/2 into the formula above, we get:
(9x2 - 10x4) / 10x2
(18 - 40) / 20
-22/20
Thus, the answer to 9/10 minus 4/2 (simplified if necessary) in fraction form is as follows:
-1 1/10
To get the answer to 9/10 minus 4/2 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-22 / 20 = -1.1
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.