Question

Simplify:

$$\frac{-8}{19}+\frac{-4}{57}$$

Answer 1

$$\frac{-8}{19}+\frac{-4}{57}$$
$$\text{L.C.M. of thedenominators 19 and 57 is 57}.$$
$$\text{Now, we willexpress}\frac{-8}{19}\text{in the form in whichit takes the denominator 57}.$$
$$\frac{-8\times 3}{19\times 3}=\frac{-24}{57}$$
$$\frac{-8}{19}+\frac{-4}{57}=\frac{-24}{57}+\frac{-4}{57}$$
$$=\frac{-24-4}{57}$$
$$=\frac{-28}{57}$$