What is 9/10 minus 2/10?
Here we will show you how to calculate 9/10 minus 2/10. We will give you the answer in fraction form and in decimal form.
We label the numbers in 9/10 minus 2/10 like this:
9/10 - 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 9/10 minus 2/10 into the formula above, we get:
(9x10 - 10x2) / 10x10
(90 - 20) / 100
70/100
Thus, the answer to 9/10 minus 2/10 (simplified if necessary) in fraction form is as follows:
7/10
To get the answer to 9/10 minus 2/10 in decimal form, we simply divide the numerator by the denominator from our fraction answer:
70 / 100 = 0.7
Note: The fraction answer is exact, but the answer in decimal format is rounded to the nearest 4 decimals if necessary.