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Sum of 8/3 and 4/7 is calculated as below
8/3+4/7=(56+12)/21
We get,
=68/21
Product of −3/7 and 14/9 is calculated as follows:
−3/7×14/9=−2/3
Hence,
68/21÷−2/3=68/21×3/−2
We get,
=34/−7
={34×(−1)}/{−7×(−1)}
=−34/7
=−4
7
6
.
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Hope my answer is correct
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