Question

7/5xy- 2/3xy + 8/9xy​

Answer 1

$= \frac{7xy}{5} - \frac{2xy}{3} + \frac{8xy}{9}$

$= \frac{63xy \: - \: 30xy \: + \:40xy}{45}$

$= \frac{33xy \: + \: 40xy}{45}$

$= \frac{73xy}{45}$

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