3/7+(-6/11)+(-8/21)+(5/22)
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Answer:
335/462
Step-by-step explanation:
3/7+(-6/11)+(-8/21)+(5/22)
=3/7-6/11-8/21+5/22
=3/7-8/21-6/11+5/22(Rearrange)
=3(3)/3(7)-8/21-2(6)/2(11)+5/22
LCM=21 LCM=22
=9/21-8/21-12/22+5/22
=(9-8)/21-(12+5)/22
=1/21-17/22
LCM=462
=22(1)/22(21)-21(17)/21(22)
=22/462-357/462
=(22-357)/462
=335/462
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