Question

please tell the answer​

Answer 1

Answer:

answer 1

$\frac{1}{7 } - \frac{5}{6} - \frac{13}{21} \\ \frac{1 \times 42}{7} - \frac{5 \times 42}{6} - \frac{13 \times 42}{21} \\ 6 - 35 - 26 = - 67$