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Answer 1

Answer :

To solve : $\sf\dfrac{1}{10}\:+\:\dfrac{1}{15}\:+\:\dfrac{1}{12}$

Solution : Take the LCM which is 60 in this case

Now , we get

$\sf\implies\:\dfrac{6+4+5}{60}$

$\sf\implies\:\dfrac{15}{60}$

Reduce the fraction ,

$\sf\implies\:\dfrac{1}{4}$