What is 3/4 minus 7/5?
Here we will show you how to calculate 3/4 minus 7/5. We will give you the answer in fraction form and in decimal form.
We label the numbers in 3/4 minus 7/5 like this:
3/4 - 7/5 = 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 3/4 minus 7/5 into the formula above, we get:
(3x5 - 4x7) / 4x5
(15 - 28) / 20
-13/20
Thus, the answer to 3/4 minus 7/5 (simplified if necessary) in fraction form is as follows:
-13/20
To get the answer to 3/4 minus 7/5 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
-13 / 20 = -0.65
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.