Question

Question 2 (iv)

Find:
$\frac{-3}{8}-\frac{7}{11}$

Answer 1

$\frac{-3}{8}-\frac{7}{11}=\frac{-3\times 11}{8\times 11}-\frac{7\times 8}{11\times 8}=\frac{-33}{88}-\frac{56}{88}$ [L.C.M of 8 and 11 is 88]
$\frac{-33-56}{88}=\frac{-89}{88}=-1\frac{1}{88}$