B. 1/3
To estimate this, we can first convert both fractions to have a common denominator. The common denominator between 9 and 6 is 18.
10/9 is approximately equal to 20/18
7/6 is approximately equal to 21/18
So, the estimate of 10/9 - 7/6 is approximately 20/18 - 21/18 = -1/18 which is close to -1/18 ≈ -0.055 ≈ 0
Therefore, the closest estimate from the given options is 0.
Estimate: 10/9 - 7/6
A. 1
B. 1/3
C. 1/2
D. 0
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