What is 9/4 minus 2/7?
Here we will show you how to calculate 9/4 minus 2/7. We will give you the answer in fraction form and in decimal form.
We label the numbers in 9/4 minus 2/7 like this:
9/4 - 2/7 = 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 9/4 minus 2/7 into the formula above, we get:
(9x7 - 4x2) / 4x7
(63 - 8) / 28
55/28
Thus, the answer to 9/4 minus 2/7 (simplified if necessary) in fraction form is as follows:
1 27/28
To get the answer to 9/4 minus 2/7 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
55 / 28 = 1.9643
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.