Evaluate [ 2/3 + 3/7] - (-5/7)
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Answer:
38/21
Step-by-step explanation:
=> [2/3+3/7] + 5/7
Taking lcm of 3 and 7 i.e. 21
=> [14+9/21] + 5/7
=> 23/21 + 5/7
now, taking lcm of 21 and 7 i.e. 21
=> 23+15/21
=38/21
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