Question

1/2 +2/5 +3/7 ( LCM)​

Answer 1

Answer:

35/70+28/70+30/70

=93/70

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Answer 2

Step-by-step explanation:

LCM of 2, 5 and 7 is 70.

Therefore,

$\frac{1}{2} + \frac{2}{5} + \frac{3}{7}$

$\frac{1 \times 35}{2 \times 35} + \frac{2 \times 14}{5 \times 14} + \frac{3 \times 10}{7 \times 10}$

$\frac{35}{70} + \frac{28}{70} + \frac{30}{70}$

$\frac{35 + 28 + 30}{70 }$

$\frac{93}{70}$

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