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Hampton
27 June, 08:41
Difference between 1/9 and 1/2
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Seth Rangel
27 June, 09:30
0
7/18
Step-by-step explanation:
To find the difference between numbers, subtract. Since we have fractions, we need a common denominator to be able to subtract.
The LCD of 2 and 9 is 2 * 9 = 18
18/2 = 9
18/9 = 2
1/2 - 1/9 = (9 * 1) / (9 * 2) - (2 * 1) / (2 * 9) = 9/18 - 2/18 = 7/18
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Blake
27 June, 10:52
0
-7/18
Step-by-step explanation:
By add or subtracting fractions, you need to equalize the denominator.
To transform all denominators of 1/9 an 1/2 to the single value of 18, their LCM, we multiply a fraction by x/x where x=LCMy, where y is the denominator of the fraction being transformed.
In this case:
1/9 * 2/2 = 2/18
1/2 * 9/9 = 9/18
So the difference between 1/9 and 1/2
1/9 - 1/2
2/18 - 9/18
-7/18
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