Question

Rearrange suitably and find the sum of 13/2+ -14/3+-21/2+7/12

Answer 1

$\frac{13}{2} - \frac{14}{3} - \frac{21}{2} + \frac{7}{12}$

$\frac{39 - 28}{6} - \frac{21 \times 6}{2 \times 6} + \frac{7}{12}$

$\frac{11}{6} - \frac{126}{12} + \frac{7}{12}$

$= \frac{11}{6} - \frac{119}{12}$

$\frac{22}{12} - \frac{119}{12}$

$= \frac{ - 87}{12}$