What is 3/8 minus 2/10?

Here we will show you how to calculate 3/8 minus 2/10. We will give you the answer in fraction form and in decimal form.
We label the numbers in 3/8 minus 2/10 like this:
3/8 - 2/10 = 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 3/8 minus 2/10 into the formula above, we get:
(3x10 - 8x2) / 8x10
(30 - 16) / 80
14/80
Thus, the answer to 3/8 minus 2/10 (simplified if necessary) in fraction form is as follows:
7/40
To get the answer to 3/8 minus 2/10 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
14 / 80 = 0.175
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.