Question

(-2/3) - 9/20 find the ans.​

Answer 1

Answer:

$\frac{ - 67}{60}$

Step-by-step explanation:

$\frac{ - 2}{3} - \frac{9}{20} \\ lcm \: of \: 3 \: and \: 20 = 60 \\ = \frac{ - 20 \times 2}{20 \times 3} - \frac{3 \times 9}{3 \times 20} \\ = \frac{ - 40 + 27}{60} \\ = \frac{ - 67}{60}$

Answer 2

Refer the attached image for the answer

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