estimate:\n$\frac{10}{9}-\frac{7}{6}=$\na 1\nb $\frac{1}{3}$\nc $\frac{1}{2}$\nd 0

Answer:

D. 0

Explanation:

Step1: Find common denominator

The common denominator of 9 and 6 is 18.

Step2: Rewrite fractions

$\frac{10}{9}=\frac{10\times2}{9\times2}=\frac{20}{18}$ and $\frac{7}{6}=\frac{7\times3}{6\times3}=\frac{21}{18}$.

Step3: Subtract fractions

$\frac{20}{18}-\frac{21}{18}=\frac{20 - 21}{18}=-\frac{1}{18}$. Since $-\frac{1}{18}$ is very close to 0, the estimate is 0.