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### Discussion :: Numbers

1. $$9+{3\over4}+7+{2\over17}-(9+{1\over15})=?$$

2.  A. $$7+{719\over1020}$$ B. $$9+{817\over1020}$$ C. $$9+{719\over1020}$$ D. $$7+{817\over1020}$$ E. None of these

Explanation :

Given sum=$$9+{3\over4}+7+{2\over17}-(9+{1\over15})$$

=(9 + 7 - 9) + $$({3\over4}+{2\over17}-{1\over15})$$

=7+$${765 + 120 - 68\over1020}$$

=7+$${817\over1020}$$

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