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Using suitable rearrangement and find the sum -5 + (7/10) + (3/7) + (-3) + (5/45) + (-4/5)

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Using suitable rearrangement and find the sum

-5 + (7/10) + (3/7) + (-3) + (5/45) + (-4/5)

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= -5 + (-3) + (7/10) + (-4/5) + (3/7) + (5/14)

= 8 + [(7-8)/10] + [(6 + 5)/14]

= – 8 – (1/10) + (11/14)

LCM of 1, 10 and 14 is 70

= (-560 – 7 + 55)/70

= -512/70

= – 256/35

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