What is 7/10 minus 2/4?
Here we will show you how to calculate 7/10 minus 2/4. We will give you the answer in fraction form and in decimal form.
We label the numbers in 7/10 minus 2/4 like this:
7/10 - 2/4 = 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 7/10 minus 2/4 into the formula above, we get:
(7x4 - 10x2) / 10x4
(28 - 20) / 40
8/40
Thus, the answer to 7/10 minus 2/4 (simplified if necessary) in fraction form is as follows:
1/5
To get the answer to 7/10 minus 2/4 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
8 / 40 = 0.2
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.