Question

Find the product :
3/10+(-2)/57​

Answer 1

$\frac{3}{10} + \frac{ - 2}{57} \\ lcm = 570 \\ = \frac{3 \times 57}{10 \times 57} + \frac{ - 2 \times 10}{57 \times 10} \\ = \frac{ 171}{570} + \frac{ - 20}{570} \\ = \frac{171 - 20}{570} \\ = \frac{151}{570}$

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