Date .Page3. 2 +ĺ¸1521 – InterviewSolution

1.	Date .Page3. 2 +ĺ¸1521
Answer» (2/3 + 7/15) - (-1/21 + - 3/7)= [(10 + 7)/15] - [(-1 - 9)/21] = (17/15) - (-10/21) = (17*7 + 50)/105= (117 + 50)/105= 167/105

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