Question

Solve the given expression, and choose the correct option.

$(6\frac{6}{7}-\frac{2}{7})+(4\frac{4}{7}-\frac{1}{7})$

• A. $12$
• B. $10\frac{5}{7}$
• C. $10\frac{2}{7}$
• D. $11$

Answer 1

The correct option is D $11$

Let's solve the given expression:

$(6\frac{6}{7}-\frac{2}{7})+(4\frac{4}{7}-\frac{1}{7})$
$=(6+\frac{6}{7}-\frac{2}{7})+(4+\frac{4}{7}-\frac{1}{7})$

$=(6+\frac{4}{7})+(4+\frac{3}{7})$

$=6+4+\frac{4}{7}+\frac{3}{7}$

$=10+\frac{7}{7}$

$=10+1$

$=11$

Hence, the second option is correct.