using suitable rearrangement and find the sum: b) -5+7/10+3/7+(-3)+5/14+-4/5
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Step-by-step explanation:
5+7/10+3/7+(-3)+5/14+-4/5
= -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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