add the following rational numbers - (-7/30) and (-5/12)
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Step-by-step explanation:
Add : - ( - 7/30 ) + ( - 5/12)
= 7/30 - 5/12 (∵ - × - = + , + × - = - )
= (2 × 7) - ( 5 × 5) / 60 ( ∵lcm of 30 and 12 is 60)
= ( 14 - 25 ) / 60
= - 11 / 60 is the answer.
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