Question

estimate the sum using benchmarks.
$\frac{10}{11}+\frac{7}{8}$
1
$1\frac{1}{2}$
2

Explanation:

Step1: Estimate $\frac{10}{11}$

$\frac{10}{11}$ is close to 1 since 10 is almost 11.

Step2: Estimate $\frac{7}{8}$

$\frac{7}{8}$ is close to 1 since 7 is almost 8.

Step3: Find the estimated sum

$1 + 1=2$

Answer:

2