Question

5 2/7- 8/9 + -3/14 - 21 3/19

Answer 1

$5 \frac{2}{7} - \frac{8}{9} + ( - \frac{3}{4}) - 21 \frac{3}{19} \\ = \frac{37}{7} - \frac{8}{9} - \frac{3}{4} - \frac{402}{19} \\ = \frac{684 - 532 - 1197 - 252}{4788} \\ = \frac{684 - 1981}{4788} \\ = - \frac{1297}{4788}$