3/7 + (-6/11) + (-8/21) + 5/22
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Answer:
-125/462 is the right answer
Step-by-step explanation:
3/7-6/11-8/21+5/22
l.c.m. of all denominators=462
therefore,198/462-252/462-176/462+105/462
303/462-428/462
-125/462
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