What is 9/10 minus 2/8?
Here we will show you how to calculate 9/10 minus 2/8. We will give you the answer in fraction form and in decimal form.
We label the numbers in 9/10 minus 2/8 like this:
9/10 - 2/8 = 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 2/8 into the formula above, we get:
(9x8 - 10x2) / 10x8
(72 - 20) / 80
52/80
Thus, the answer to 9/10 minus 2/8 (simplified if necessary) in fraction form is as follows:
13/20
To get the answer to 9/10 minus 2/8 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
52 / 80 = 0.65
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.