Question

2. Add the following rati
3/4 and -3/5

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Answer 1

Answer:

$\frac{3}{4} + \frac{ - 3}{5} \\ lcm = 20 \\ \frac{3}{4} \times \frac{5}{5} + \frac{ - 3}{5} \times \frac{4}{4} \\ = \frac{15}{20} + \frac{ - 12}{20} \\ = \frac{3}{20}$