Question

Simplify The following

Answer 1

Step-by-step explanation:

$\frac{-5}{10} +\frac{9}{7} +\frac{3}{20} +\frac{-11}{14}\\\\ = \frac{-60+180+21+(-110)}{140} \\\\=\frac{31}{140}$

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Answer 2

Answer:

answer of this question is 209/140.

first we find lcm of 10,7,20,14=140

-60+180 +21 +(-110)

__________________________

140

=209/140