What is 9/1 minus 7/10?
Here we will show you how to calculate 9/1 minus 7/10. We will give you the answer in fraction form and in decimal form.
We label the numbers in 9/1 minus 7/10 like this:
9/1 - 7/10 = 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 9/1 minus 7/10 into the formula above, we get:
(9x10 - 1x7) / 1x10
(90 - 7) / 10
83/10
Thus, the answer to 9/1 minus 7/10 (simplified if necessary) in fraction form is as follows:
8 3/10
To get the answer to 9/1 minus 7/10 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
83 / 10 = 8.3
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.