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Mathematics
Aydin Key
17 August, 20:30
3/7 + (-6/7) + (-8/21) + 5/22
+2
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1
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Anna Daniels
17 August, 22:37
0
= - 37/66
Step-by-step explanation:
3/7 + (-6/7) + (-8/21) + 5/22
3/7 - 6/7 - 8/21 + 5/22
LCM is 462
= 198/462 - 386/462 - 176/462 + 105/462
= - 259/462
= - 37/66
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