What is 7/9 minus 3/10?
Here we will show you how to calculate 7/9 minus 3/10. We will give you the answer in fraction form and in decimal form.
We label the numbers in 7/9 minus 3/10 like this:
7/9 - 3/10 = 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 7/9 minus 3/10 into the formula above, we get:
(7x10 - 9x3) / 9x10
(70 - 27) / 90
43/90
Thus, the answer to 7/9 minus 3/10 (simplified if necessary) in fraction form is as follows:
43/90
To get the answer to 7/9 minus 3/10 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
43 / 90 = 0.4778
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.