What is 3/10 minus 2/9?
Here we will show you how to calculate 3/10 minus 2/9. We will give you the answer in fraction form and in decimal form.
We label the numbers in 3/10 minus 2/9 like this:
3/10 - 2/9 = 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 3/10 minus 2/9 into the formula above, we get:
(3x9 - 10x2) / 10x9
(27 - 20) / 90
7/90
Thus, the answer to 3/10 minus 2/9 (simplified if necessary) in fraction form is as follows:
7/90
To get the answer to 3/10 minus 2/9 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
7 / 90 = 0.0778
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.